diff --git a/test/fast/Aliases/'nvm alias' should ignore leading blank lines in the file b/test/fast/Aliases/'nvm alias' should ignore leading blank lines in the file
index 3fe5784..38bd1cc 100755
--- a/test/fast/Aliases/'nvm alias' should ignore leading blank lines in the file	
+++ b/test/fast/Aliases/'nvm alias' should ignore leading blank lines in the file	
@@ -4,6 +4,7 @@ die() { echo "$@" ; exit 1; }
 
 export NVM_DIR="$(cd ../../.. && pwd)"
 
+: nvm.sh
 \. "${NVM_DIR}/nvm.sh"
 \. ../../common.sh
 
diff --git a/test/fast/Aliases/'nvm alias' should not accept aliases with a hash b/test/fast/Aliases/'nvm alias' should not accept aliases with a hash
index 3922ea7..a172a25 100755
--- a/test/fast/Aliases/'nvm alias' should not accept aliases with a hash	
+++ b/test/fast/Aliases/'nvm alias' should not accept aliases with a hash	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () { echo "$@" ; exit 1; }
diff --git a/test/fast/Aliases/'nvm alias' should not accept aliases with slashes b/test/fast/Aliases/'nvm alias' should not accept aliases with slashes
index d10937d..53fc70e 100755
--- a/test/fast/Aliases/'nvm alias' should not accept aliases with slashes	
+++ b/test/fast/Aliases/'nvm alias' should not accept aliases with slashes	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () { echo "$@" ; exit 1; }
diff --git a/test/fast/Aliases/'nvm unalias' should accept aliases when they shadow a built-in alias b/test/fast/Aliases/'nvm unalias' should accept aliases when they shadow a built-in alias
index d88a4fa..ff69208 100755
--- a/test/fast/Aliases/'nvm unalias' should accept aliases when they shadow a built-in alias	
+++ b/test/fast/Aliases/'nvm unalias' should accept aliases when they shadow a built-in alias	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () { echo "$@" ; exit 1; }
diff --git a/test/fast/Aliases/'nvm unalias' should not accept aliases with names equal to built-in alias b/test/fast/Aliases/'nvm unalias' should not accept aliases with names equal to built-in alias
index 35bdc8f..a2dbad1 100755
--- a/test/fast/Aliases/'nvm unalias' should not accept aliases with names equal to built-in alias	
+++ b/test/fast/Aliases/'nvm unalias' should not accept aliases with names equal to built-in alias	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () { echo "$@" ; exit 1; }
diff --git a/test/fast/Aliases/'nvm unalias' should not accept aliases with slashes b/test/fast/Aliases/'nvm unalias' should not accept aliases with slashes
index 2afafad..5e5fb52 100755
--- a/test/fast/Aliases/'nvm unalias' should not accept aliases with slashes	
+++ b/test/fast/Aliases/'nvm unalias' should not accept aliases with slashes	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () { echo "$@" ; exit 1; }
diff --git a/test/fast/Aliases/Running 'nvm alias ˂aliasname˃ ˂target˃' again should change the target b/test/fast/Aliases/Running 'nvm alias ˂aliasname˃ ˂target˃' again should change the target
index f366beb..de0e997 100755
--- a/test/fast/Aliases/Running 'nvm alias ˂aliasname˃ ˂target˃' again should change the target	
+++ b/test/fast/Aliases/Running 'nvm alias ˂aliasname˃ ˂target˃' again should change the target	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Aliases/Running 'nvm alias ˂aliasname˃' should list but one alias b/test/fast/Aliases/Running 'nvm alias ˂aliasname˃' should list but one alias
index 7ba4c38..2ad01ec 100755
--- a/test/fast/Aliases/Running 'nvm alias ˂aliasname˃' should list but one alias	
+++ b/test/fast/Aliases/Running 'nvm alias ˂aliasname˃' should list but one alias	
@@ -1,4 +1,5 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 [ $(nvm alias test-stable-1 | wc -l) = '2' ]
diff --git a/test/fast/Aliases/Running 'nvm alias' lists implicit aliases when they do not exist b/test/fast/Aliases/Running 'nvm alias' lists implicit aliases when they do not exist
index 24a341c..a89804d 100755
--- a/test/fast/Aliases/Running 'nvm alias' lists implicit aliases when they do not exist	
+++ b/test/fast/Aliases/Running 'nvm alias' lists implicit aliases when they do not exist	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Aliases/Running 'nvm alias' lists manual aliases instead of implicit aliases when present b/test/fast/Aliases/Running 'nvm alias' lists manual aliases instead of implicit aliases when present
index 1857f44..c1bd70a 100755
--- a/test/fast/Aliases/Running 'nvm alias' lists manual aliases instead of implicit aliases when present	
+++ b/test/fast/Aliases/Running 'nvm alias' lists manual aliases instead of implicit aliases when present	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Aliases/Running 'nvm alias' should list all aliases b/test/fast/Aliases/Running 'nvm alias' should list all aliases
index d620fe5..0435320 100755
--- a/test/fast/Aliases/Running 'nvm alias' should list all aliases	
+++ b/test/fast/Aliases/Running 'nvm alias' should list all aliases	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Aliases/circular/nvm_resolve_alias b/test/fast/Aliases/circular/nvm_resolve_alias
index ee772bb..37f9ca2 100755
--- a/test/fast/Aliases/circular/nvm_resolve_alias
+++ b/test/fast/Aliases/circular/nvm_resolve_alias
@@ -3,6 +3,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../../nvm.sh
 
 ALIAS="$(nvm_resolve_alias loopback | strip_colors)"
diff --git a/test/fast/Aliases/circular/nvm_resolve_local_alias b/test/fast/Aliases/circular/nvm_resolve_local_alias
index 0d4b200..acb0c75 100755
--- a/test/fast/Aliases/circular/nvm_resolve_local_alias
+++ b/test/fast/Aliases/circular/nvm_resolve_local_alias
@@ -3,6 +3,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../../nvm.sh
 
 ALIAS="$(nvm_resolve_local_alias loopback | strip_colors)"
diff --git a/test/fast/Aliases/lts/'nvm alias' should ensure LTS alias dir exists b/test/fast/Aliases/lts/'nvm alias' should ensure LTS alias dir exists
index f6f3960..ff2baef 100755
--- a/test/fast/Aliases/lts/'nvm alias' should ensure LTS alias dir exists	
+++ b/test/fast/Aliases/lts/'nvm alias' should ensure LTS alias dir exists	
@@ -2,6 +2,7 @@
 
 set -ex
 
+: nvm.sh
 \. ../../../../nvm.sh
 \. ../../../common.sh
 
diff --git a/test/fast/Aliases/lts/setup_dir b/test/fast/Aliases/lts/setup_dir
index 4aeb067..cf96db6 100755
--- a/test/fast/Aliases/lts/setup_dir
+++ b/test/fast/Aliases/lts/setup_dir
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../../nvm.sh
 
 LTS_ALIAS_PATH="$(nvm_alias_path)/lts"
diff --git a/test/fast/Aliases/lts/teardown_dir b/test/fast/Aliases/lts/teardown_dir
index 18863f4..cf3581b 100755
--- a/test/fast/Aliases/lts/teardown_dir
+++ b/test/fast/Aliases/lts/teardown_dir
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../../nvm.sh
 
 LTS_ALIAS_PATH="$(nvm_alias_path)/lts"
diff --git a/test/fast/Aliases/nvm_ensure_default_set b/test/fast/Aliases/nvm_ensure_default_set
index 7e7dab8..1277c77 100755
--- a/test/fast/Aliases/nvm_ensure_default_set
+++ b/test/fast/Aliases/nvm_ensure_default_set
@@ -4,6 +4,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm alias default 0.1 >/dev/null || die "'nvm alias default 0.1' failed"
diff --git a/test/fast/Aliases/nvm_list_aliases calls nvm_get_colors b/test/fast/Aliases/nvm_list_aliases calls nvm_get_colors
index 21e5127..1fb7914 100755
--- a/test/fast/Aliases/nvm_list_aliases calls nvm_get_colors	
+++ b/test/fast/Aliases/nvm_list_aliases calls nvm_get_colors	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () { echo "$@" ; exit 1; }
diff --git a/test/fast/Aliases/nvm_list_aliases works with LTS aliases b/test/fast/Aliases/nvm_list_aliases works with LTS aliases
index 6af1828..75e8884 100755
--- a/test/fast/Aliases/nvm_list_aliases works with LTS aliases	
+++ b/test/fast/Aliases/nvm_list_aliases works with LTS aliases	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () {
diff --git a/test/fast/Aliases/nvm_list_aliases works with no LTS aliases present b/test/fast/Aliases/nvm_list_aliases works with no LTS aliases present
index 337d1d1..6a2a25f 100755
--- a/test/fast/Aliases/nvm_list_aliases works with no LTS aliases present	
+++ b/test/fast/Aliases/nvm_list_aliases works with no LTS aliases present	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () {
diff --git a/test/fast/Aliases/nvm_print_alias_path calls nvm_get_colors b/test/fast/Aliases/nvm_print_alias_path calls nvm_get_colors
index 2c49b2a..2554f06 100755
--- a/test/fast/Aliases/nvm_print_alias_path calls nvm_get_colors	
+++ b/test/fast/Aliases/nvm_print_alias_path calls nvm_get_colors	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () {
diff --git a/test/fast/Aliases/nvm_print_formatted_alias calls nvm_get_colors b/test/fast/Aliases/nvm_print_formatted_alias calls nvm_get_colors
index 7f82769..70cc82f 100755
--- a/test/fast/Aliases/nvm_print_formatted_alias calls nvm_get_colors	
+++ b/test/fast/Aliases/nvm_print_formatted_alias calls nvm_get_colors	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () {
diff --git a/test/fast/Aliases/nvm_resolve_alias b/test/fast/Aliases/nvm_resolve_alias
index 307c3cb..960c92b 100755
--- a/test/fast/Aliases/nvm_resolve_alias
+++ b/test/fast/Aliases/nvm_resolve_alias
@@ -4,6 +4,7 @@ die () { echo "$@" ; exit 1; }
 
 export NVM_DIR="$(cd ../../.. && pwd)"
 
+: nvm.sh
 \. "${NVM_DIR}/nvm.sh"
 
 EXIT_CODE=$(nvm_resolve_alias ; echo $?)
diff --git a/test/fast/Aliases/nvm_resolve_local_alias b/test/fast/Aliases/nvm_resolve_local_alias
index 06f4374..db6a5d3 100755
--- a/test/fast/Aliases/nvm_resolve_local_alias
+++ b/test/fast/Aliases/nvm_resolve_local_alias
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 EXIT_CODE=$(nvm_resolve_local_alias ; echo $?)
diff --git a/test/fast/Aliases/setup b/test/fast/Aliases/setup
index 9b82259..9b07b5a 100755
--- a/test/fast/Aliases/setup
+++ b/test/fast/Aliases/setup
@@ -2,6 +2,7 @@
 
 export NVM_DIR="$(cd ../../.. && pwd)"
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing paths/Running 'nvm which 0.0.2' should display only version 0.0.2 b/test/fast/Listing paths/Running 'nvm which 0.0.2' should display only version 0.0.2
index 1f4eb11..24ea621 100755
--- a/test/fast/Listing paths/Running 'nvm which 0.0.2' should display only version 0.0.2	
+++ b/test/fast/Listing paths/Running 'nvm which 0.0.2' should display only version 0.0.2	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing paths/Running 'nvm which foo' should return a nonzero exit code when not found b/test/fast/Listing paths/Running 'nvm which foo' should return a nonzero exit code when not found
index c0218a0..0df7da6 100755
--- a/test/fast/Listing paths/Running 'nvm which foo' should return a nonzero exit code when not found	
+++ b/test/fast/Listing paths/Running 'nvm which foo' should return a nonzero exit code when not found	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm which nonexistent_version
diff --git a/test/fast/Listing versions/Running 'nvm ls --no-alias' does not call into nvm_alias b/test/fast/Listing versions/Running 'nvm ls --no-alias' does not call into nvm_alias
index 20e28ec..50d2ad9 100755
--- a/test/fast/Listing versions/Running 'nvm ls --no-alias' does not call into nvm_alias	
+++ b/test/fast/Listing versions/Running 'nvm ls --no-alias' does not call into nvm_alias	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls --no-alias' with a pattern errors b/test/fast/Listing versions/Running 'nvm ls --no-alias' with a pattern errors
index 6f5a809..38d0c5f 100755
--- a/test/fast/Listing versions/Running 'nvm ls --no-alias' with a pattern errors	
+++ b/test/fast/Listing versions/Running 'nvm ls --no-alias' with a pattern errors	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls 0.0.2' should display only version 0.0.2 b/test/fast/Listing versions/Running 'nvm ls 0.0.2' should display only version 0.0.2
index 666a3f0..963ea50 100755
--- a/test/fast/Listing versions/Running 'nvm ls 0.0.2' should display only version 0.0.2	
+++ b/test/fast/Listing versions/Running 'nvm ls 0.0.2' should display only version 0.0.2	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls 0.2' should display only 0.2.x versions b/test/fast/Listing versions/Running 'nvm ls 0.2' should display only 0.2.x versions
index b02efa3..d1377ac 100755
--- a/test/fast/Listing versions/Running 'nvm ls 0.2' should display only 0.2.x versions	
+++ b/test/fast/Listing versions/Running 'nvm ls 0.2' should display only 0.2.x versions	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls foo' should return a nonzero exit code when not found b/test/fast/Listing versions/Running 'nvm ls foo' should return a nonzero exit code when not found
index 74a97b4..fc0a22d 100755
--- a/test/fast/Listing versions/Running 'nvm ls foo' should return a nonzero exit code when not found	
+++ b/test/fast/Listing versions/Running 'nvm ls foo' should return a nonzero exit code when not found	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm ls nonexistent_version
diff --git a/test/fast/Listing versions/Running 'nvm ls io' should return NA b/test/fast/Listing versions/Running 'nvm ls io' should return NA
index 79dccfe..4632fc1 100755
--- a/test/fast/Listing versions/Running 'nvm ls io' should return NA	
+++ b/test/fast/Listing versions/Running 'nvm ls io' should return NA	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm ls io
diff --git a/test/fast/Listing versions/Running 'nvm ls node_' should return a nonzero exit code when not found b/test/fast/Listing versions/Running 'nvm ls node_' should return a nonzero exit code when not found
index af79302..fbf60a4 100755
--- a/test/fast/Listing versions/Running 'nvm ls node_' should return a nonzero exit code when not found	
+++ b/test/fast/Listing versions/Running 'nvm ls node_' should return a nonzero exit code when not found	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm ls node_
diff --git a/test/fast/Listing versions/Running 'nvm ls stable' and 'nvm ls unstable' should return the appropriate implicit alias b/test/fast/Listing versions/Running 'nvm ls stable' and 'nvm ls unstable' should return the appropriate implicit alias
index 78d0a50..a612e20 100755
--- a/test/fast/Listing versions/Running 'nvm ls stable' and 'nvm ls unstable' should return the appropriate implicit alias	
+++ b/test/fast/Listing versions/Running 'nvm ls stable' and 'nvm ls unstable' should return the appropriate implicit alias	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls system' should include 'system' when appropriate b/test/fast/Listing versions/Running 'nvm ls system' should include 'system' when appropriate
index 1d39a41..c7e72a4 100755
--- a/test/fast/Listing versions/Running 'nvm ls system' should include 'system' when appropriate	
+++ b/test/fast/Listing versions/Running 'nvm ls system' should include 'system' when appropriate	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' calls into nvm_alias b/test/fast/Listing versions/Running 'nvm ls' calls into nvm_alias
index a5f7457..64cac55 100755
--- a/test/fast/Listing versions/Running 'nvm ls' calls into nvm_alias	
+++ b/test/fast/Listing versions/Running 'nvm ls' calls into nvm_alias	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' should display all installed versions b/test/fast/Listing versions/Running 'nvm ls' should display all installed versions
index 92e0270..f56846d 100755
--- a/test/fast/Listing versions/Running 'nvm ls' should display all installed versions	
+++ b/test/fast/Listing versions/Running 'nvm ls' should display all installed versions	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' should filter out '.nvm' b/test/fast/Listing versions/Running 'nvm ls' should filter out '.nvm'
index dedb541..fa51b4d 100755
--- a/test/fast/Listing versions/Running 'nvm ls' should filter out '.nvm'	
+++ b/test/fast/Listing versions/Running 'nvm ls' should filter out '.nvm'	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' should filter out 'versions' b/test/fast/Listing versions/Running 'nvm ls' should filter out 'versions'
index bd0c709..1f4b4bb 100755
--- a/test/fast/Listing versions/Running 'nvm ls' should filter out 'versions'	
+++ b/test/fast/Listing versions/Running 'nvm ls' should filter out 'versions'	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' should include 'system' when appropriate b/test/fast/Listing versions/Running 'nvm ls' should include 'system' when appropriate
index 9c465c0..6d76fe2 100755
--- a/test/fast/Listing versions/Running 'nvm ls' should include 'system' when appropriate	
+++ b/test/fast/Listing versions/Running 'nvm ls' should include 'system' when appropriate	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' should list versions in the 'versions' directory b/test/fast/Listing versions/Running 'nvm ls' should list versions in the 'versions' directory
index a2a31e2..e5fbd5b 100755
--- a/test/fast/Listing versions/Running 'nvm ls' should list versions in the 'versions' directory	
+++ b/test/fast/Listing versions/Running 'nvm ls' should list versions in the 'versions' directory	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' should not show a trailing slash b/test/fast/Listing versions/Running 'nvm ls' should not show a trailing slash
index e3dbd5b..7e891f3 100755
--- a/test/fast/Listing versions/Running 'nvm ls' should not show a trailing slash	
+++ b/test/fast/Listing versions/Running 'nvm ls' should not show a trailing slash	
@@ -2,6 +2,7 @@
 
 export NVM_DIR="$(cd ../../.. && pwd)"
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' with node-like versioning vx.x.x should only list a matched version b/test/fast/Listing versions/Running 'nvm ls' with node-like versioning vx.x.x should only list a matched version
index cb54278..2f2c74b 100755
--- a/test/fast/Listing versions/Running 'nvm ls' with node-like versioning vx.x.x should only list a matched version	
+++ b/test/fast/Listing versions/Running 'nvm ls' with node-like versioning vx.x.x should only list a matched version	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Running 'nvm ls' with nounset should not fail b/test/fast/Listing versions/Running 'nvm ls' with nounset should not fail
index d2bfe9e..f677091 100755
--- a/test/fast/Listing versions/Running 'nvm ls' with nounset should not fail	
+++ b/test/fast/Listing versions/Running 'nvm ls' with nounset should not fail	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Listing versions/Using a nonstandard IFS should not break b/test/fast/Listing versions/Using a nonstandard IFS should not break
index 27cf2de..26c26b2 100755
--- a/test/fast/Listing versions/Using a nonstandard IFS should not break	
+++ b/test/fast/Listing versions/Using a nonstandard IFS should not break	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Running 'nvm alias' should create a file in the alias directory b/test/fast/Running 'nvm alias' should create a file in the alias directory
index c061a57..2316274 100755
--- a/test/fast/Running 'nvm alias' should create a file in the alias directory	
+++ b/test/fast/Running 'nvm alias' should create a file in the alias directory	
@@ -4,6 +4,7 @@ set -ex
 
 export NVM_DIR="$(cd ../.. && pwd)"
 
+: nvm.sh
 \. ../../nvm.sh
 
 nvm alias test v0.1.2
diff --git a/test/fast/Running 'nvm current' should display current nvm environment b/test/fast/Running 'nvm current' should display current nvm environment
index b9f1304..21540df 100755
--- a/test/fast/Running 'nvm current' should display current nvm environment	
+++ b/test/fast/Running 'nvm current' should display current nvm environment	
@@ -6,6 +6,7 @@ die () { echo "$@" ; exit 1; }
 
 export NVM_DIR="$(cd ../.. && pwd)"
 
+: nvm.sh
 \. ../../nvm.sh
 
 nvm deactivate 2>&1
diff --git a/test/fast/Running 'nvm deactivate' should unset the nvm environment variables b/test/fast/Running 'nvm deactivate' should unset the nvm environment variables
index b631597..3cb2cc6 100755
--- a/test/fast/Running 'nvm deactivate' should unset the nvm environment variables	
+++ b/test/fast/Running 'nvm deactivate' should unset the nvm environment variables	
@@ -6,6 +6,7 @@ die () { echo "$@" ; exit 1; }
 
 export NVM_DIR="$(cd ../.. && pwd)"
 
+: nvm.sh
 \. ../../nvm.sh
 \. ../common.sh
 
diff --git a/test/fast/Running 'nvm install' with '--reinstall-packages-from' requires a valid version b/test/fast/Running 'nvm install' with '--reinstall-packages-from' requires a valid version
index 329fe2b..7e2fd3a 100755
--- a/test/fast/Running 'nvm install' with '--reinstall-packages-from' requires a valid version	
+++ b/test/fast/Running 'nvm install' with '--reinstall-packages-from' requires a valid version	
@@ -9,6 +9,7 @@ cleanup () {
 
 export NVM_DIR="$(cd ../.. && pwd)"
 
+: nvm.sh
 \. ../../nvm.sh
 \. ../common.sh
 
diff --git a/test/fast/Running 'nvm install' with an invalid version fails nicely b/test/fast/Running 'nvm install' with an invalid version fails nicely
index 5bbea41..51d7792 100755
--- a/test/fast/Running 'nvm install' with an invalid version fails nicely	
+++ b/test/fast/Running 'nvm install' with an invalid version fails nicely	
@@ -6,6 +6,7 @@ die () { echo "$@" ; exit 1; }
 
 export NVM_DIR="$(cd ../.. && pwd)"
 
+: nvm.sh
 \. ../../nvm.sh
 
 set +ex # needed for stderr
diff --git a/test/fast/Running 'nvm unalias' should remove the alias file b/test/fast/Running 'nvm unalias' should remove the alias file
index 2781f57..b741eb2 100755
--- a/test/fast/Running 'nvm unalias' should remove the alias file	
+++ b/test/fast/Running 'nvm unalias' should remove the alias file	
@@ -6,6 +6,7 @@ ALIAS_PATH="../../alias"
 
 echo v0.1.2 > "${ALIAS_PATH}/test"
 
+: nvm.sh
 \. ../../nvm.sh
 
 nvm unalias test
diff --git a/test/fast/Running 'nvm uninstall' should remove the appropriate directory b/test/fast/Running 'nvm uninstall' should remove the appropriate directory
index 9d5fa1b..59233d2 100755
--- a/test/fast/Running 'nvm uninstall' should remove the appropriate directory	
+++ b/test/fast/Running 'nvm uninstall' should remove the appropriate directory	
@@ -2,6 +2,7 @@
 
 set -ex
 
+: nvm.sh
 \. ../../nvm.sh
 \. ../common.sh
 
diff --git a/test/fast/Running 'nvm uninstall' with incorrect file permissions fails nicely b/test/fast/Running 'nvm uninstall' with incorrect file permissions fails nicely
index 23f6f54..95d89f9 100755
--- a/test/fast/Running 'nvm uninstall' with incorrect file permissions fails nicely	
+++ b/test/fast/Running 'nvm uninstall' with incorrect file permissions fails nicely	
@@ -2,6 +2,7 @@
 
 set -ex
 
+: nvm.sh
 \. ../../nvm.sh
 \. ../common.sh
 
diff --git a/test/fast/Running 'nvm unload' should unset all function and variables b/test/fast/Running 'nvm unload' should unset all function and variables
index abb5ca4..7ef208e 100755
--- a/test/fast/Running 'nvm unload' should unset all function and variables	
+++ b/test/fast/Running 'nvm unload' should unset all function and variables	
@@ -12,6 +12,7 @@ typeset -f | awk '/ \(\) $/ && !/^main / {print $1}' > "${BEFORE}"
 env | grep -v PATH= | grep -v IFS= | grep -v NVM_ | grep -v TRAVIS_ | sort >> "${BEFORE}"
 
 set +e # TODO: fix
+: nvm.sh
 \. ../../nvm.sh
 set -e
 
diff --git a/test/fast/Running 'nvm use foo' where 'foo' is circular aborts b/test/fast/Running 'nvm use foo' where 'foo' is circular aborts
index 2b9fc92..5c9e032 100755
--- a/test/fast/Running 'nvm use foo' where 'foo' is circular aborts	
+++ b/test/fast/Running 'nvm use foo' where 'foo' is circular aborts	
@@ -8,6 +8,7 @@ cleanup() {
   rm -rf "$(nvm_alias_path)/foo"
 }
 
+: nvm.sh
 \. ../../nvm.sh
 
 nvm_make_alias foo foo
diff --git a/test/fast/Running 'nvm use iojs' uses latest io.js version b/test/fast/Running 'nvm use iojs' uses latest io.js version
index be383ce..c5932e1 100755
--- a/test/fast/Running 'nvm use iojs' uses latest io.js version	
+++ b/test/fast/Running 'nvm use iojs' uses latest io.js version	
@@ -13,6 +13,7 @@ cleanup() {
   rm -rf "$(nvm_version_path "iojs-${VERSION}")"
 }
 
+: nvm.sh
 \. ../../nvm.sh
 
 nvm deactivate || die "unable to deactivate; current: >$(nvm current)<"
diff --git a/test/fast/Running 'nvm use system' should work as expected b/test/fast/Running 'nvm use system' should work as expected
index be3d11e..7d48562 100755
--- a/test/fast/Running 'nvm use system' should work as expected	
+++ b/test/fast/Running 'nvm use system' should work as expected	
@@ -7,6 +7,7 @@ cleanup() {
 }
 die() { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../nvm.sh
 
 nvm_has_system_node() { return 0; }
diff --git a/test/fast/Running 'nvm use x' should create and change the 'current' symlink b/test/fast/Running 'nvm use x' should create and change the 'current' symlink
index fc1a086..f5a9f4d 100755
--- a/test/fast/Running 'nvm use x' should create and change the 'current' symlink	
+++ b/test/fast/Running 'nvm use x' should create and change the 'current' symlink	
@@ -3,6 +3,7 @@
 set -ex
 
 export NVM_SYMLINK_CURRENT=true
+: nvm.sh
 \. ../../nvm.sh
 \. ../common.sh
 
diff --git a/test/fast/Running 'nvm use x' should not create the 'current' symlink if $NVM_SYMLINK_CURRENT is false b/test/fast/Running 'nvm use x' should not create the 'current' symlink if $NVM_SYMLINK_CURRENT is false
index 1450659..f0de053 100755
--- a/test/fast/Running 'nvm use x' should not create the 'current' symlink if $NVM_SYMLINK_CURRENT is false	
+++ b/test/fast/Running 'nvm use x' should not create the 'current' symlink if $NVM_SYMLINK_CURRENT is false	
@@ -2,6 +2,7 @@
 
 set -ex
 
+: nvm.sh
 \. ../../nvm.sh
 \. ../common.sh
 
diff --git a/test/fast/Running 'nvm use' should drop CR char automatically b/test/fast/Running 'nvm use' should drop CR char automatically
index 3889f47..ecc018c 100755
--- a/test/fast/Running 'nvm use' should drop CR char automatically	
+++ b/test/fast/Running 'nvm use' should drop CR char automatically	
@@ -9,6 +9,7 @@ cleanup() {
   rm .nvmrc
 }
 
+: nvm.sh
 \. ../../nvm.sh
 
 # normal .nvmrc
diff --git a/test/fast/Running 'nvm-exec' should display required node version b/test/fast/Running 'nvm-exec' should display required node version
index dc6972b..2c316fd 100755
--- a/test/fast/Running 'nvm-exec' should display required node version	
+++ b/test/fast/Running 'nvm-exec' should display required node version	
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 set -x
+: nvm.sh
 \. ../../nvm.sh
 
 die () { echo "$@" ; rm .nvmrc ; exit 1; }
diff --git a/test/fast/Set Colors/nvm_echo_with_colors b/test/fast/Set Colors/nvm_echo_with_colors
index daace15..54223eb 100755
--- a/test/fast/Set Colors/nvm_echo_with_colors	
+++ b/test/fast/Set Colors/nvm_echo_with_colors	
@@ -11,6 +11,7 @@ cleanup() {
   echo "Tested nvm_echo_with_colors"
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 OUTPUT="$(nvm_echo_with_colors "\033[0;36mCyan-colored text")"
diff --git a/test/fast/Set Colors/nvm_err_with_colors b/test/fast/Set Colors/nvm_err_with_colors
index c0b4812..316cced 100755
--- a/test/fast/Set Colors/nvm_err_with_colors	
+++ b/test/fast/Set Colors/nvm_err_with_colors	
@@ -8,6 +8,7 @@ cleanup() {
   echo "Tested nvm_err_with_colors"
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 set +ex
diff --git a/test/fast/Set Colors/nvm_print_default_alias calls nvm_get_colors b/test/fast/Set Colors/nvm_print_default_alias calls nvm_get_colors
index 64a2a08..fd75f47 100755
--- a/test/fast/Set Colors/nvm_print_default_alias calls nvm_get_colors	
+++ b/test/fast/Set Colors/nvm_print_default_alias calls nvm_get_colors	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 die () {
diff --git a/test/fast/Set Colors/nvm_print_versions calls nvm_get_colors b/test/fast/Set Colors/nvm_print_versions calls nvm_get_colors
index b54d230..3f0dd64 100755
--- a/test/fast/Set Colors/nvm_print_versions calls nvm_get_colors	
+++ b/test/fast/Set Colors/nvm_print_versions calls nvm_get_colors	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 #set -e #nvm use system returns 127 and No system set message
diff --git a/test/fast/Sourcing nvm.sh should make the nvm command available b/test/fast/Sourcing nvm.sh should make the nvm command available
index e74f347..1490c3a 100755
--- a/test/fast/Sourcing nvm.sh should make the nvm command available	
+++ b/test/fast/Sourcing nvm.sh should make the nvm command available	
@@ -2,6 +2,7 @@
 
 set -ex
 
+: nvm.sh
 \. ../../nvm.sh
 
 nvm
diff --git a/test/fast/Sourcing nvm.sh should not modify parameters of caller b/test/fast/Sourcing nvm.sh should not modify parameters of caller
index 2053b73..98f6230 100755
--- a/test/fast/Sourcing nvm.sh should not modify parameters of caller	
+++ b/test/fast/Sourcing nvm.sh should not modify parameters of caller	
@@ -3,5 +3,6 @@
 set -ex
 
 set -- yes
+: nvm.sh
 \. ../../nvm.sh
 [ "$1" = yes ]
diff --git a/test/fast/Unit tests/Running 'nvm install --save' works as expected' b/test/fast/Unit tests/Running 'nvm install --save' works as expected'
index a020382..d5b24ee 100755
--- a/test/fast/Unit tests/Running 'nvm install --save' works as expected'	
+++ b/test/fast/Unit tests/Running 'nvm install --save' works as expected'	
@@ -1,4 +1,5 @@
 #!/bin/sh
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/Running 'nvm use --save' works as expected' b/test/fast/Unit tests/Running 'nvm use --save' works as expected'
index a188072..ebabc56 100755
--- a/test/fast/Unit tests/Running 'nvm use --save' works as expected'	
+++ b/test/fast/Unit tests/Running 'nvm use --save' works as expected'	
@@ -1,4 +1,5 @@
 #!/bin/sh
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/Running 'nvm use --save' works with a .nvmrc in the parent dir b/test/fast/Unit tests/Running 'nvm use --save' works with a .nvmrc in the parent dir
index ef8a25a..dbed356 100755
--- a/test/fast/Unit tests/Running 'nvm use --save' works with a .nvmrc in the parent dir	
+++ b/test/fast/Unit tests/Running 'nvm use --save' works with a .nvmrc in the parent dir	
@@ -1,4 +1,5 @@
 #!/bin/sh
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/Running 'nvm use --silent --save' doesn't output anything b/test/fast/Unit tests/Running 'nvm use --silent --save' doesn't output anything
index 578c315..80fc371 100755
--- a/test/fast/Unit tests/Running 'nvm use --silent --save' doesn't output anything	
+++ b/test/fast/Unit tests/Running 'nvm use --silent --save' doesn't output anything	
@@ -1,4 +1,5 @@
 #!/bin/sh
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/nvm install -b b/test/fast/Unit tests/nvm install -b
index 20b4b76..8bc4c65 100755
--- a/test/fast/Unit tests/nvm install -b	
+++ b/test/fast/Unit tests/nvm install -b	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_install_source() {
diff --git a/test/fast/Unit tests/nvm install with nonlowercase LTS name b/test/fast/Unit tests/nvm install with nonlowercase LTS name
index 7dd27f5..bc647f1 100755
--- a/test/fast/Unit tests/nvm install with nonlowercase LTS name	
+++ b/test/fast/Unit tests/nvm install with nonlowercase LTS name	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 REMOTE="${PWD}/mocks/nvm_ls_remote.txt"
diff --git a/test/fast/Unit tests/nvm ls-remote b/test/fast/Unit tests/nvm ls-remote
index af3a0a7..27df7d4 100755
--- a/test/fast/Unit tests/nvm ls-remote	
+++ b/test/fast/Unit tests/nvm ls-remote	
@@ -12,6 +12,7 @@ cleanup() {
   mv "${NVM_DIR}/alias/lts-backup" "${NVM_DIR}/alias/lts"
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 if [ -n "${NVM_COLORS-}" ]; then
   export TEMP_NVM_COLORS=NVM_COLORS
diff --git a/test/fast/Unit tests/nvm set_colors b/test/fast/Unit tests/nvm set_colors
index 85496eb..20f9622 100755
--- a/test/fast/Unit tests/nvm set_colors	
+++ b/test/fast/Unit tests/nvm set_colors	
@@ -13,6 +13,7 @@ cleanup() {
   unset TEMP_NVM_COLORS
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 # NVM_COLORS is not set
 if [ -n ${NVM_COLORS} ]; then
diff --git a/test/fast/Unit tests/nvm version-remote b/test/fast/Unit tests/nvm version-remote
index 6a3beeb..1c4026a 100755
--- a/test/fast/Unit tests/nvm version-remote	
+++ b/test/fast/Unit tests/nvm version-remote	
@@ -8,6 +8,7 @@ cleanup() {
   unset -f nvm_remote_version
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 \. ../../common.sh
diff --git a/test/fast/Unit tests/nvm_add_iojs_prefix b/test/fast/Unit tests/nvm_add_iojs_prefix
index f947118..b619cc2 100755
--- a/test/fast/Unit tests/nvm_add_iojs_prefix	
+++ b/test/fast/Unit tests/nvm_add_iojs_prefix	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "_$(nvm_add_iojs_prefix 1)" = "_iojs-v1" ] || die '"nvm_add_iojs_prefix 1" did not return "iojs-v1"'
diff --git a/test/fast/Unit tests/nvm_alias b/test/fast/Unit tests/nvm_alias
index 49cac2d..b05599a 100755
--- a/test/fast/Unit tests/nvm_alias	
+++ b/test/fast/Unit tests/nvm_alias	
@@ -6,6 +6,7 @@ cleanup () {
   rm -rf ../../../alias/test
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 OUTPUT="$(nvm_alias 2>&1)"
diff --git a/test/fast/Unit tests/nvm_alias LTS-N b/test/fast/Unit tests/nvm_alias LTS-N
index bbc6343..5e3702d 100755
--- a/test/fast/Unit tests/nvm_alias LTS-N	
+++ b/test/fast/Unit tests/nvm_alias LTS-N	
@@ -9,6 +9,7 @@ cleanup() {
   mv "${NVM_DIR}/alias/lts-backup" "${NVM_DIR}/alias/lts"
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 MOCKS_DIR="${PWD}/mocks"
diff --git a/test/fast/Unit tests/nvm_alias handles comments b/test/fast/Unit tests/nvm_alias handles comments
index 9e4d166..0b118e9 100755
--- a/test/fast/Unit tests/nvm_alias handles comments	
+++ b/test/fast/Unit tests/nvm_alias handles comments	
@@ -8,6 +8,7 @@ cleanup () {
   rm -rf ../../../alias/test-comment-first
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # Test: alias file with comment on separate line
diff --git a/test/fast/Unit tests/nvm_alias_path b/test/fast/Unit tests/nvm_alias_path
index fe304af..1d1653e 100755
--- a/test/fast/Unit tests/nvm_alias_path	
+++ b/test/fast/Unit tests/nvm_alias_path	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "_$(nvm_alias_path)" = "_$NVM_DIR/alias" ] || die "nvm_alias_path did not return correct location"
diff --git a/test/fast/Unit tests/nvm_change_path b/test/fast/Unit tests/nvm_change_path
index f434981..aa1642b 100755
--- a/test/fast/Unit tests/nvm_change_path	
+++ b/test/fast/Unit tests/nvm_change_path	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 TEST_PATH=/usr/bin:/usr/local/bin
diff --git a/test/fast/Unit tests/nvm_check_for_help b/test/fast/Unit tests/nvm_check_for_help
index b3218f2..562ca3b 100755
--- a/test/fast/Unit tests/nvm_check_for_help	
+++ b/test/fast/Unit tests/nvm_check_for_help	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 TERM=dumb nvm clear-cache --help | grep 'Usage:' || die 'did not print help menu'
diff --git a/test/fast/Unit tests/nvm_command_info b/test/fast/Unit tests/nvm_command_info
index 6eebefc..6d13490 100755
--- a/test/fast/Unit tests/nvm_command_info	
+++ b/test/fast/Unit tests/nvm_command_info	
@@ -8,6 +8,7 @@ cleanup() {
 
 die() { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 
diff --git a/test/fast/Unit tests/nvm_compare_checksum b/test/fast/Unit tests/nvm_compare_checksum
index c14aee4..99c3b79 100755
--- a/test/fast/Unit tests/nvm_compare_checksum	
+++ b/test/fast/Unit tests/nvm_compare_checksum	
@@ -5,6 +5,7 @@ cleanup () {
 }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 set -ex
diff --git a/test/fast/Unit tests/nvm_compute_checksum b/test/fast/Unit tests/nvm_compute_checksum
index 6b52eb9..0e8ae0f 100755
--- a/test/fast/Unit tests/nvm_compute_checksum	
+++ b/test/fast/Unit tests/nvm_compute_checksum	
@@ -4,6 +4,7 @@ set -ex
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 set +x
diff --git a/test/fast/Unit tests/nvm_curl_libz_support b/test/fast/Unit tests/nvm_curl_libz_support
index 34602be..acab56f 100755
--- a/test/fast/Unit tests/nvm_curl_libz_support	
+++ b/test/fast/Unit tests/nvm_curl_libz_support	
@@ -6,6 +6,7 @@ cleanup() {
 
 die() { cleanup; echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 curl() {
diff --git a/test/fast/Unit tests/nvm_die_on_prefix b/test/fast/Unit tests/nvm_die_on_prefix
index 0a2429e..73ba556 100755
--- a/test/fast/Unit tests/nvm_die_on_prefix	
+++ b/test/fast/Unit tests/nvm_die_on_prefix	
@@ -3,6 +3,7 @@
 TEST_PWD=$(pwd)
 TEST_DIR="$TEST_PWD/nvm_die_on_prefix_tmp"
 
+: nvm.sh
 \. ../../../nvm.sh
 
 TEST_VERSION_DIR="${TEST_DIR}/version"
diff --git a/test/fast/Unit tests/nvm_download b/test/fast/Unit tests/nvm_download
index 0c25609..727fe13 100755
--- a/test/fast/Unit tests/nvm_download	
+++ b/test/fast/Unit tests/nvm_download	
@@ -6,6 +6,7 @@ cleanup () {
 }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 set -ex
diff --git a/test/fast/Unit tests/nvm_download_artifact b/test/fast/Unit tests/nvm_download_artifact
index 250bca3..ec450d9 100755
--- a/test/fast/Unit tests/nvm_download_artifact	
+++ b/test/fast/Unit tests/nvm_download_artifact	
@@ -5,6 +5,7 @@ cleanup () {
 }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # bad flavor
diff --git a/test/fast/Unit tests/nvm_ensure_default_set b/test/fast/Unit tests/nvm_ensure_default_set
index 14b53eb..c8170bc 100755
--- a/test/fast/Unit tests/nvm_ensure_default_set	
+++ b/test/fast/Unit tests/nvm_ensure_default_set	
@@ -4,6 +4,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 EXPECTED_OUTPUT="nvm_ensure_default_set: a version is required"
diff --git a/test/fast/Unit tests/nvm_ensure_version_installed b/test/fast/Unit tests/nvm_ensure_version_installed
index 4c51508..d2e1149 100755
--- a/test/fast/Unit tests/nvm_ensure_version_installed	
+++ b/test/fast/Unit tests/nvm_ensure_version_installed	
@@ -6,6 +6,7 @@ cleanup () {
   unset -f nvm_has_system_node nvm_has_system_iojs
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/nvm_ensure_version_prefix b/test/fast/Unit tests/nvm_ensure_version_prefix
index b54ea02..68db145 100755
--- a/test/fast/Unit tests/nvm_ensure_version_prefix	
+++ b/test/fast/Unit tests/nvm_ensure_version_prefix	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "_$(nvm_ensure_version_prefix 1)" = "_v1" ] || die '"nvm_ensure_version_prefix 1" did not return "v1"'
diff --git a/test/fast/Unit tests/nvm_extract_tarball b/test/fast/Unit tests/nvm_extract_tarball
index 4cf7533..6119e72 100755
--- a/test/fast/Unit tests/nvm_extract_tarball	
+++ b/test/fast/Unit tests/nvm_extract_tarball	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "$(nvm_extract_tarball 2>&1)" = "nvm_extract_tarball requires exactly 4 arguments" ] || die 'incorrect error message with no args'
diff --git a/test/fast/Unit tests/nvm_find_project_dir b/test/fast/Unit tests/nvm_find_project_dir
index 1bfcf16..bf1f489 100755
--- a/test/fast/Unit tests/nvm_find_project_dir	
+++ b/test/fast/Unit tests/nvm_find_project_dir	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 set -ex
diff --git a/test/fast/Unit tests/nvm_find_up b/test/fast/Unit tests/nvm_find_up
index 73f7d21..fff3e5f 100755
--- a/test/fast/Unit tests/nvm_find_up	
+++ b/test/fast/Unit tests/nvm_find_up	
@@ -11,6 +11,7 @@ cleanup () {
   rm -rf tmp_nvm_find_up
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 setup
diff --git a/test/fast/Unit tests/nvm_format_version b/test/fast/Unit tests/nvm_format_version
index 98541fe..d4dd86c 100755
--- a/test/fast/Unit tests/nvm_format_version	
+++ b/test/fast/Unit tests/nvm_format_version	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 INPUT="0.1.2"
diff --git a/test/fast/Unit tests/nvm_get_arch b/test/fast/Unit tests/nvm_get_arch
index c45cae0..b759b59 100755
--- a/test/fast/Unit tests/nvm_get_arch	
+++ b/test/fast/Unit tests/nvm_get_arch	
@@ -11,6 +11,7 @@ cleanup() {
 
 die () { cleanup; echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # Directory where mocked binaries used by nvm_get_arch for each OS/arch are
diff --git a/test/fast/Unit tests/nvm_get_arch_unofficial b/test/fast/Unit tests/nvm_get_arch_unofficial
index 12c5da0..a05757f 100755
--- a/test/fast/Unit tests/nvm_get_arch_unofficial	
+++ b/test/fast/Unit tests/nvm_get_arch_unofficial	
@@ -15,6 +15,7 @@ die() {
   exit 1
 }
 
+: nvm.sh
 . ../../../nvm.sh
 
 # Sets the PATH for these tests to include the symlinks to the mocked binaries
diff --git a/test/fast/Unit tests/nvm_get_artifact_compression b/test/fast/Unit tests/nvm_get_artifact_compression
index 3fc5fcf..f099000 100755
--- a/test/fast/Unit tests/nvm_get_artifact_compression	
+++ b/test/fast/Unit tests/nvm_get_artifact_compression	
@@ -5,6 +5,7 @@ cleanup () {
 }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # nvm_get_artifact_compression by default
diff --git a/test/fast/Unit tests/nvm_get_checksum b/test/fast/Unit tests/nvm_get_checksum
index 975a3e6..3df06d4 100755
--- a/test/fast/Unit tests/nvm_get_checksum	
+++ b/test/fast/Unit tests/nvm_get_checksum	
@@ -8,6 +8,7 @@ cleanup () {
 die () { echo "$@" ; cleanup ; exit 1; }
 
 set +e # TODO: fix
+: nvm.sh
 \. ../../../nvm.sh
 set -e
 
diff --git a/test/fast/Unit tests/nvm_get_checksum_alg b/test/fast/Unit tests/nvm_get_checksum_alg
index 1869437..74aa11f 100755
--- a/test/fast/Unit tests/nvm_get_checksum_alg	
+++ b/test/fast/Unit tests/nvm_get_checksum_alg	
@@ -5,6 +5,7 @@ set -ex
 die () { echo "$@" ; exit 1; }
 
 set +e # TODO: fix
+: nvm.sh
 \. ../../../nvm.sh
 set -e
 
diff --git a/test/fast/Unit tests/nvm_get_checksum_binary b/test/fast/Unit tests/nvm_get_checksum_binary
index 0de0cd4..532c1e5 100755
--- a/test/fast/Unit tests/nvm_get_checksum_binary	
+++ b/test/fast/Unit tests/nvm_get_checksum_binary	
@@ -5,6 +5,7 @@ set -ex
 die () { echo "$@" ; exit 1; }
 
 set +e # TODO: fix
+: nvm.sh
 \. ../../../nvm.sh
 set -e
 
diff --git a/test/fast/Unit tests/nvm_get_colors b/test/fast/Unit tests/nvm_get_colors
index df35da5..c90da49 100755
--- a/test/fast/Unit tests/nvm_get_colors	
+++ b/test/fast/Unit tests/nvm_get_colors	
@@ -12,6 +12,7 @@ cleanup() {
   unset TEMP_NVM_COLORS
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # NVM_COLORS is not set
diff --git a/test/fast/Unit tests/nvm_get_default_packages b/test/fast/Unit tests/nvm_get_default_packages
index d8a8157..9e10214 100755
--- a/test/fast/Unit tests/nvm_get_default_packages	
+++ b/test/fast/Unit tests/nvm_get_default_packages	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 
 FILE="${NVM_DIR}/default-packages"
diff --git a/test/fast/Unit tests/nvm_get_default_packages mawk compat b/test/fast/Unit tests/nvm_get_default_packages mawk compat
index f6fa5d7..35c8d4f 100755
--- a/test/fast/Unit tests/nvm_get_default_packages mawk compat	
+++ b/test/fast/Unit tests/nvm_get_default_packages mawk compat	
@@ -6,6 +6,7 @@
 
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # The awk command from nvm_get_default_packages
diff --git a/test/fast/Unit tests/nvm_get_download_slug b/test/fast/Unit tests/nvm_get_download_slug
index a4a0bc4..eeb72ac 100755
--- a/test/fast/Unit tests/nvm_get_download_slug	
+++ b/test/fast/Unit tests/nvm_get_download_slug	
@@ -7,6 +7,7 @@ cleanup() {
 
 die () { cleanup; echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "$(nvm_get_download_slug 2>/dev/null ; echo $?)" = '1' ] || die 'invalid flavor did not fail with exit code 1'
diff --git a/test/fast/Unit tests/nvm_get_latest missing curl or wget b/test/fast/Unit tests/nvm_get_latest missing curl or wget
index 2c9b1da..bc23d37 100755
--- a/test/fast/Unit tests/nvm_get_latest missing curl or wget	
+++ b/test/fast/Unit tests/nvm_get_latest missing curl or wget	
@@ -6,6 +6,7 @@ cleanup() {
   unset -f nvm_has
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_has() { return 1 ; }
diff --git a/test/fast/Unit tests/nvm_get_minor_version b/test/fast/Unit tests/nvm_get_minor_version
index dbfea5d..546caf6 100755
--- a/test/fast/Unit tests/nvm_get_minor_version	
+++ b/test/fast/Unit tests/nvm_get_minor_version	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 expect () {
diff --git a/test/fast/Unit tests/nvm_get_mirror b/test/fast/Unit tests/nvm_get_mirror
index 201a0ee..a8a4255 100755
--- a/test/fast/Unit tests/nvm_get_mirror	
+++ b/test/fast/Unit tests/nvm_get_mirror	
@@ -8,6 +8,7 @@ unset NVM_NODEJS_ORG_MIRROR
 unset NVM_IOJS_ORG_MIRROR
 
 set +e # TODO: fix
+: nvm.sh
 \. ../../../nvm.sh
 set -e
 
diff --git a/test/fast/Unit tests/nvm_has b/test/fast/Unit tests/nvm_has
index 8a7d7be..0987801 100755
--- a/test/fast/Unit tests/nvm_has	
+++ b/test/fast/Unit tests/nvm_has	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_has cat && type cat > /dev/null || die 'nvm_has locates "cat" properly'
diff --git a/test/fast/Unit tests/nvm_has_non_aliased b/test/fast/Unit tests/nvm_has_non_aliased
index e42b2c6..03564d4 100755
--- a/test/fast/Unit tests/nvm_has_non_aliased	
+++ b/test/fast/Unit tests/nvm_has_non_aliased	
@@ -3,6 +3,7 @@
 cleanup () { unalias foo; unalias grep; }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 alias foo='bar'
diff --git a/test/fast/Unit tests/nvm_has_solaris_binary b/test/fast/Unit tests/nvm_has_solaris_binary
index 9d949e4..5222312 100755
--- a/test/fast/Unit tests/nvm_has_solaris_binary	
+++ b/test/fast/Unit tests/nvm_has_solaris_binary	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/nvm_has_system_iojs b/test/fast/Unit tests/nvm_has_system_iojs
index 0d4eadb..78dec06 100755
--- a/test/fast/Unit tests/nvm_has_system_iojs	
+++ b/test/fast/Unit tests/nvm_has_system_iojs	
@@ -5,6 +5,7 @@ cleanup () {
 }
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/nvm_has_system_node b/test/fast/Unit tests/nvm_has_system_node
index 9a71979..8390a63 100755
--- a/test/fast/Unit tests/nvm_has_system_node	
+++ b/test/fast/Unit tests/nvm_has_system_node	
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/nvm_install_binary_extract b/test/fast/Unit tests/nvm_install_binary_extract
index 5dd2cc7..bd7eb27 100755
--- a/test/fast/Unit tests/nvm_install_binary_extract	
+++ b/test/fast/Unit tests/nvm_install_binary_extract	
@@ -40,6 +40,7 @@ test_archi() {
   [ "$(cat "${NVM_DIR}/versions/node/${version}/bin/node")" = "node ${version}" ] || die "Unable to extract ${ext} file"
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 set -ex
diff --git a/test/fast/Unit tests/nvm_install_binary_nosource b/test/fast/Unit tests/nvm_install_binary_nosource
index e425b15..2034658 100755
--- a/test/fast/Unit tests/nvm_install_binary_nosource	
+++ b/test/fast/Unit tests/nvm_install_binary_nosource	
@@ -9,6 +9,7 @@ cleanup () {
 
 die () { echo "$@" ; cleanup; exit 1;}
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_binary_available() {
diff --git a/test/fast/Unit tests/nvm_install_latest_npm b/test/fast/Unit tests/nvm_install_latest_npm
index ecf9c74..c65ccf3 100755
--- a/test/fast/Unit tests/nvm_install_latest_npm	
+++ b/test/fast/Unit tests/nvm_install_latest_npm	
@@ -4,6 +4,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm deactivate >/dev/null 2>&1
diff --git a/test/fast/Unit tests/nvm_install_no_progress_bar b/test/fast/Unit tests/nvm_install_no_progress_bar
index d5c9c27..18f2d04 100755
--- a/test/fast/Unit tests/nvm_install_no_progress_bar	
+++ b/test/fast/Unit tests/nvm_install_no_progress_bar	
@@ -11,6 +11,7 @@ cleanup () {
 
 die () { >&2 echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 cleanup
diff --git a/test/fast/Unit tests/nvm_install_source SHELL override b/test/fast/Unit tests/nvm_install_source SHELL override
index f544948..f92b0b9 100755
--- a/test/fast/Unit tests/nvm_install_source SHELL override	
+++ b/test/fast/Unit tests/nvm_install_source SHELL override	
@@ -6,6 +6,7 @@ cleanup () {
 }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # Create a fake directory structure for the build
diff --git a/test/fast/Unit tests/nvm_iojs_prefix b/test/fast/Unit tests/nvm_iojs_prefix
index fef2373..d5d9f2e 100755
--- a/test/fast/Unit tests/nvm_iojs_prefix	
+++ b/test/fast/Unit tests/nvm_iojs_prefix	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "$(nvm_iojs_prefix)" = "iojs" ] || die '"nvm_iojs_prefix" did not return the string "iojs". why did this fail?!'
diff --git a/test/fast/Unit tests/nvm_iojs_version_has_solaris_binary b/test/fast/Unit tests/nvm_iojs_version_has_solaris_binary
index 8048fa3..6394b1d 100755
--- a/test/fast/Unit tests/nvm_iojs_version_has_solaris_binary	
+++ b/test/fast/Unit tests/nvm_iojs_version_has_solaris_binary	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/nvm_is_alias b/test/fast/Unit tests/nvm_is_alias
index eba9506..1fb69e9 100755
--- a/test/fast/Unit tests/nvm_is_alias	
+++ b/test/fast/Unit tests/nvm_is_alias	
@@ -3,6 +3,7 @@
 cleanup () { unalias foo; unalias grep; }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 alias foo='bar'
diff --git a/test/fast/Unit tests/nvm_is_iojs_version b/test/fast/Unit tests/nvm_is_iojs_version
index d846e71..b1b75fc 100755
--- a/test/fast/Unit tests/nvm_is_iojs_version	
+++ b/test/fast/Unit tests/nvm_is_iojs_version	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_is_iojs_version 'iojs-' || die '"nvm_is_iojs_version iojs- was not true'
diff --git a/test/fast/Unit tests/nvm_is_merged_node_version b/test/fast/Unit tests/nvm_is_merged_node_version
index 7501c2a..897b943 100755
--- a/test/fast/Unit tests/nvm_is_merged_node_version	
+++ b/test/fast/Unit tests/nvm_is_merged_node_version	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_is_merged_node_version '4.0' || die '"nvm_is_merged_node_version 4.0 was not true'
diff --git a/test/fast/Unit tests/nvm_is_natural_num b/test/fast/Unit tests/nvm_is_natural_num
index d66d6c8..caf56cf 100755
--- a/test/fast/Unit tests/nvm_is_natural_num	
+++ b/test/fast/Unit tests/nvm_is_natural_num	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 ! nvm_is_natural_num || die 'no args is not false'
diff --git a/test/fast/Unit tests/nvm_is_valid_version b/test/fast/Unit tests/nvm_is_valid_version
index edfe537..8bdf941 100755
--- a/test/fast/Unit tests/nvm_is_valid_version	
+++ b/test/fast/Unit tests/nvm_is_valid_version	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_is_valid_version 0.1.2 || die "nvm_is_valid_version 0.1.2 did not return 0"
diff --git a/test/fast/Unit tests/nvm_is_version_installed b/test/fast/Unit tests/nvm_is_version_installed
index 3d7de4f..8b6e775 100755
--- a/test/fast/Unit tests/nvm_is_version_installed	
+++ b/test/fast/Unit tests/nvm_is_version_installed	
@@ -7,6 +7,7 @@ cleanup () {
 }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 set -ex
diff --git a/test/fast/Unit tests/nvm_ls handles hash in pattern b/test/fast/Unit tests/nvm_ls handles hash in pattern
index 815169e..cb3a0c9 100755
--- a/test/fast/Unit tests/nvm_ls handles hash in pattern	
+++ b/test/fast/Unit tests/nvm_ls handles hash in pattern	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # Test: nvm_ls with pattern containing # should not cause sed error
diff --git a/test/fast/Unit tests/nvm_ls_current b/test/fast/Unit tests/nvm_ls_current
index f2c5e65..69de68e 100755
--- a/test/fast/Unit tests/nvm_ls_current	
+++ b/test/fast/Unit tests/nvm_ls_current	
@@ -6,6 +6,7 @@ TEST_DIR="$TEST_PWD/nvm_ls_current_tmp"
 cleanup() { rm -rf "$TEST_DIR"; unset -f return_zero; alias node='node' ; unalias node; }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 return_zero () { return 0; }
diff --git a/test/fast/Unit tests/nvm_ls_remote b/test/fast/Unit tests/nvm_ls_remote
index be61cc4..f0cf363 100755
--- a/test/fast/Unit tests/nvm_ls_remote	
+++ b/test/fast/Unit tests/nvm_ls_remote	
@@ -6,6 +6,7 @@ cleanup() {
   unset -f nvm_download
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 MOCKS_DIR="$PWD/mocks"
diff --git a/test/fast/Unit tests/nvm_ls_remote LTS aliases b/test/fast/Unit tests/nvm_ls_remote LTS aliases
index e03cb99..e6037b3 100755
--- a/test/fast/Unit tests/nvm_ls_remote LTS aliases	
+++ b/test/fast/Unit tests/nvm_ls_remote LTS aliases	
@@ -14,6 +14,7 @@ cleanup() {
   rm -rf "$TEST_PATH"
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 set -ex
diff --git a/test/fast/Unit tests/nvm_ls_remote nightly b/test/fast/Unit tests/nvm_ls_remote nightly
index 47ba759..83e95ec 100755
--- a/test/fast/Unit tests/nvm_ls_remote nightly	
+++ b/test/fast/Unit tests/nvm_ls_remote nightly	
@@ -6,6 +6,7 @@ cleanup() {
   unset -f nvm_download
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 MOCKS_DIR="$PWD/mocks"
diff --git a/test/fast/Unit tests/nvm_ls_remote_iojs b/test/fast/Unit tests/nvm_ls_remote_iojs
index 553aefd..7dd6ad3 100755
--- a/test/fast/Unit tests/nvm_ls_remote_iojs	
+++ b/test/fast/Unit tests/nvm_ls_remote_iojs	
@@ -6,6 +6,7 @@ cleanup() {
   unset -f nvm_download
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # sample output at the time the test was written
diff --git a/test/fast/Unit tests/nvm_make_alias b/test/fast/Unit tests/nvm_make_alias
index f04e518..dd3f794 100755
--- a/test/fast/Unit tests/nvm_make_alias	
+++ b/test/fast/Unit tests/nvm_make_alias	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 OUTPUT="$(nvm_make_alias 2>&1)"
diff --git a/test/fast/Unit tests/nvm_node_prefix b/test/fast/Unit tests/nvm_node_prefix
index c0ffd1d..d186a9d 100755
--- a/test/fast/Unit tests/nvm_node_prefix	
+++ b/test/fast/Unit tests/nvm_node_prefix	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "$(nvm_node_prefix)" = "node" ] || die '"nvm_node_prefix" did not return the string "node". why did this fail?!'
diff --git a/test/fast/Unit tests/nvm_node_version_has_solaris_binary b/test/fast/Unit tests/nvm_node_version_has_solaris_binary
index 95ed5af..a9237c0 100755
--- a/test/fast/Unit tests/nvm_node_version_has_solaris_binary	
+++ b/test/fast/Unit tests/nvm_node_version_has_solaris_binary	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/nvm_normalize_lts b/test/fast/Unit tests/nvm_normalize_lts
index 2e5b3b2..1e0722b 100755
--- a/test/fast/Unit tests/nvm_normalize_lts	
+++ b/test/fast/Unit tests/nvm_normalize_lts	
@@ -8,6 +8,7 @@ cleanup() {
 
 die () { cleanup; echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 MOCKS_DIR="../Unit tests/mocks"
diff --git a/test/fast/Unit tests/nvm_num_version_groups b/test/fast/Unit tests/nvm_num_version_groups
index ab09f0c..282da15 100755
--- a/test/fast/Unit tests/nvm_num_version_groups	
+++ b/test/fast/Unit tests/nvm_num_version_groups	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "~$(nvm_num_version_groups)" = "~0" ] || die "no args should give 0"
diff --git a/test/fast/Unit tests/nvm_print_alias_path b/test/fast/Unit tests/nvm_print_alias_path
index 14cf152..a3fdf50 100755
--- a/test/fast/Unit tests/nvm_print_alias_path	
+++ b/test/fast/Unit tests/nvm_print_alias_path	
@@ -7,6 +7,7 @@ cleanup () {
   unset -f nvm_alias nvm_version
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 NVM_ALIAS_DIR='path/to/the alias/dir'
diff --git a/test/fast/Unit tests/nvm_print_color_code b/test/fast/Unit tests/nvm_print_color_code
index 5b49e9c..4b9cfc8 100755
--- a/test/fast/Unit tests/nvm_print_color_code	
+++ b/test/fast/Unit tests/nvm_print_color_code	
@@ -4,6 +4,7 @@ set -ex
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 # Testing valid input
diff --git a/test/fast/Unit tests/nvm_print_default_alias b/test/fast/Unit tests/nvm_print_default_alias
index fcb3ab2..b15f944 100755
--- a/test/fast/Unit tests/nvm_print_default_alias	
+++ b/test/fast/Unit tests/nvm_print_default_alias	
@@ -7,6 +7,7 @@ cleanup () {
   unset -f nvm_print_implicit_alias nvm_version
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_print_implicit_alias() {
diff --git a/test/fast/Unit tests/nvm_print_implicit_alias errors b/test/fast/Unit tests/nvm_print_implicit_alias errors
index 5565eea..c142406 100755
--- a/test/fast/Unit tests/nvm_print_implicit_alias errors	
+++ b/test/fast/Unit tests/nvm_print_implicit_alias errors	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 EXPECTED_FIRST_MSG="nvm_print_implicit_alias must be specified with local or remote as the first argument."
diff --git a/test/fast/Unit tests/nvm_print_implicit_alias success b/test/fast/Unit tests/nvm_print_implicit_alias success
index ded8174..8a0d22e 100755
--- a/test/fast/Unit tests/nvm_print_implicit_alias success	
+++ b/test/fast/Unit tests/nvm_print_implicit_alias success	
@@ -13,6 +13,7 @@ cleanup() {
   unset -f nvm_ls_remote nvm_ls_remote_iojs
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/Unit tests/nvm_print_npm_version b/test/fast/Unit tests/nvm_print_npm_version
index a9cbc2c..65409ad 100755
--- a/test/fast/Unit tests/nvm_print_npm_version	
+++ b/test/fast/Unit tests/nvm_print_npm_version	
@@ -7,6 +7,7 @@ cleanup () {
 }
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_has() { return 1; }
diff --git a/test/fast/Unit tests/nvm_process_nvmrc b/test/fast/Unit tests/nvm_process_nvmrc
index 5102c57..5423cb3 100755
--- a/test/fast/Unit tests/nvm_process_nvmrc	
+++ b/test/fast/Unit tests/nvm_process_nvmrc	
@@ -6,6 +6,7 @@ cleanup() {
   echo 'cleaned up'
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 \. ../../common.sh
diff --git a/test/fast/Unit tests/nvm_remote_version b/test/fast/Unit tests/nvm_remote_version
index 96f33f5..3aa5c11 100755
--- a/test/fast/Unit tests/nvm_remote_version	
+++ b/test/fast/Unit tests/nvm_remote_version	
@@ -6,6 +6,7 @@ cleanup() {
   unset -f nvm_ls_remote nvm_ls_remote_iojs
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_ls_remote() {
diff --git a/test/fast/Unit tests/nvm_remote_versions b/test/fast/Unit tests/nvm_remote_versions
index e4136b2..02a0464 100755
--- a/test/fast/Unit tests/nvm_remote_versions	
+++ b/test/fast/Unit tests/nvm_remote_versions	
@@ -6,6 +6,7 @@ cleanup() {
   unset -f nvm_ls_remote nvm_ls_remote_iojs
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 OUTPUT="$(nvm_remote_versions stable 2>&1)"
diff --git a/test/fast/Unit tests/nvm_stdout_is_terminal b/test/fast/Unit tests/nvm_stdout_is_terminal
index 31b4666..d6acb42 100755
--- a/test/fast/Unit tests/nvm_stdout_is_terminal	
+++ b/test/fast/Unit tests/nvm_stdout_is_terminal	
@@ -5,6 +5,7 @@ tempfile=$(mktemp)
 die () { echo "$@" ; cleanup; exit 1; }
 cleanup() { rm -f "$tempfile"; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 if [ -t 1 ] ; then
diff --git a/test/fast/Unit tests/nvm_strip_iojs_prefix b/test/fast/Unit tests/nvm_strip_iojs_prefix
index 6924b5f..cd4e846 100755
--- a/test/fast/Unit tests/nvm_strip_iojs_prefix	
+++ b/test/fast/Unit tests/nvm_strip_iojs_prefix	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "_$(nvm_strip_iojs_prefix iojs)" = "_" ] || die '"nvm_strip_iojs_prefix iojs" did not return an empty string'
diff --git a/test/fast/Unit tests/nvm_strip_path b/test/fast/Unit tests/nvm_strip_path
index 6f00da0..a900cab 100755
--- a/test/fast/Unit tests/nvm_strip_path	
+++ b/test/fast/Unit tests/nvm_strip_path	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 TEST_PATH=$NVM_DIR/v0.10.5/bin:/usr/bin:$NVM_DIR/v0.11.5/bin:$NVM_DIR/v0.9.5/bin:/usr/local/bin:$NVM_DIR/v0.2.5/bin:$NVM_DIR/versions/node/v0.12.0/bin:$NVM_DIR/versions/io.js/v1.0.0/bin
diff --git a/test/fast/Unit tests/nvm_supports_xz b/test/fast/Unit tests/nvm_supports_xz
index 97c5a38..19e001c 100755
--- a/test/fast/Unit tests/nvm_supports_xz	
+++ b/test/fast/Unit tests/nvm_supports_xz	
@@ -9,6 +9,7 @@ cleanup() {
 }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 OLDPATH=$PATH
diff --git a/test/fast/Unit tests/nvm_tree_contains_path b/test/fast/Unit tests/nvm_tree_contains_path
index 9b40854..efaa908 100755
--- a/test/fast/Unit tests/nvm_tree_contains_path	
+++ b/test/fast/Unit tests/nvm_tree_contains_path	
@@ -8,6 +8,7 @@ cleanup () {
 }
 die () { echo "$@" ; cleanup; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 mkdir -p tmp
diff --git a/test/fast/Unit tests/nvm_use_if_needed b/test/fast/Unit tests/nvm_use_if_needed
index dd04ccf..04af1ba 100755
--- a/test/fast/Unit tests/nvm_use_if_needed	
+++ b/test/fast/Unit tests/nvm_use_if_needed	
@@ -3,6 +3,7 @@
 cleanup() { unset -f nvm_ls_current nvm; }
 die () { echo "$@" ; cleanup ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_ls_current() { echo foo; }
diff --git a/test/fast/Unit tests/nvm_validate_implicit_alias b/test/fast/Unit tests/nvm_validate_implicit_alias
index 8fd6ecf..961fb31 100755
--- a/test/fast/Unit tests/nvm_validate_implicit_alias	
+++ b/test/fast/Unit tests/nvm_validate_implicit_alias	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 EXPECTED_MSG="Only implicit aliases 'stable', 'unstable', 'iojs', and 'node' are supported."
diff --git a/test/fast/Unit tests/nvm_version b/test/fast/Unit tests/nvm_version
index 6c94d85..ce980de 100755
--- a/test/fast/Unit tests/nvm_version	
+++ b/test/fast/Unit tests/nvm_version	
@@ -5,6 +5,7 @@ cleanup () {
   unset -f nvm_ls_current nvm_ls
 }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_ls_current() {
diff --git a/test/fast/Unit tests/nvm_version_dir b/test/fast/Unit tests/nvm_version_dir
index ad4bd96..fc91dae 100755
--- a/test/fast/Unit tests/nvm_version_dir	
+++ b/test/fast/Unit tests/nvm_version_dir	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 [ "$(nvm_version_dir)" = "$NVM_DIR/versions/node" ] || die '"nvm_version_dir" did not return new dir path'
diff --git a/test/fast/Unit tests/nvm_version_greater b/test/fast/Unit tests/nvm_version_greater
index 2a345ea..e88c28d 100755
--- a/test/fast/Unit tests/nvm_version_greater	
+++ b/test/fast/Unit tests/nvm_version_greater	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 nvm_version_greater 0.10.0 0.2.12 || die '"nvm_version_greater 0.10.0 0.2.12" did not return true'
diff --git a/test/fast/Unit tests/nvm_version_path b/test/fast/Unit tests/nvm_version_path
index 2d4ad78..acf9aa1 100755
--- a/test/fast/Unit tests/nvm_version_path	
+++ b/test/fast/Unit tests/nvm_version_path	
@@ -2,6 +2,7 @@
 
 die () { echo "$@" ; exit 1; }
 
+: nvm.sh
 \. ../../../nvm.sh
 
 OUTPUT="$(nvm_version_path foo)"
diff --git a/test/fast/Unit tests/nvm_write_nvmrc b/test/fast/Unit tests/nvm_write_nvmrc
index 9e0d734..b98490b 100755
--- a/test/fast/Unit tests/nvm_write_nvmrc	
+++ b/test/fast/Unit tests/nvm_write_nvmrc	
@@ -1,4 +1,5 @@
 #!/bin/sh
+: nvm.sh
 \. ../../../nvm.sh
 \. ../../common.sh
 
diff --git a/test/fast/nvm should remove the last trailing slash in $NVM_DIR b/test/fast/nvm should remove the last trailing slash in $NVM_DIR
index 4babb54..0f9f804 100755
--- a/test/fast/nvm should remove the last trailing slash in $NVM_DIR	
+++ b/test/fast/nvm should remove the last trailing slash in $NVM_DIR	
@@ -7,12 +7,14 @@ die () { echo "$@" ; exit 1; }
 export NVM_DIR_BASE="/tmp"
 export NVM_DIR="${NVM_DIR_BASE}/"
 
+: nvm.sh
 \. ../../nvm.sh
 
 [ "${NVM_DIR}" = "${NVM_DIR_BASE}" ] || die 'nvm should remove the last trailing slash in "$NVM_DIR"'
 
 export NVM_DIR="${NVM_DIR_BASE}//"
 
+: nvm.sh
 \. ../../nvm.sh
 
 [ "${NVM_DIR}" = "${NVM_DIR_BASE}" ] || die 'nvm should remove all the last trailing slashes in "$NVM_DIR"'