test/fast/Running "nvm unload" should unset all function and variables.

#!/bin/sh

set -ex

die () { echo $@ ; exit 1; }

\. ../../nvm.sh

type nvm > /dev/null 2>&1 || die "nvm not loaded"

nvm unload

! type nvm > /dev/null 2>&1 || die "nvm not unloaded"