Add slow test to check nvm uninstall

test/slow/nvm uninstall/Running "nvm uninstall 0.12.6" uninstalls v0.12.6

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+# Source nvm
+. ../../../nvm.sh
+
+# Version to install/uninstall
+NVM_TEST_VERSION=0.12.6
+
+# Make sure it's not already here
+[ -e ../../../$NVM_TEST_VERSION ] && rm -R ../../../$NVM_TEST_VERSION
+
+# Install it
+nvm install $NVM_TEST_VERSION
+
+# Make sure it installed
+nvm ls | grep "$NVM_TEST_VERSION" || die "Failed to install node"
+
+# Switch to another version so we can uninstall
+nvm use 0.12.7
+
+# Uninstall it
+nvm uninstall $NVM_TEST_VERSION
+
+# Make sure it uninstalled
+nvm ls | grep "$NVM_TEST_VERSION"
+[ "$?" != "0" ] || die "Failed to uninstall node"

test/slow/nvm uninstall/setup_dir

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+#!/bin/sh
+
+. ../../../nvm.sh
+nvm install 0.12.7

test/slow/nvm uninstall/teardown_dir

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+#!/bin/sh
+
+. ../../../nvm.sh
+nvm uninstall 0.12.7
+nvm deactivate