Seems changes done in docker do not persist, had to reapply them

test/slow/Running 'nvm-exec' should display required node version

@@ -1,8 +1,7 @@
-#!/bin/sh
+#!/bin/bash
 
-set -ex
-die () { echo "$@" ; exit 1; }
-\. ../../../nvm.sh
+set -x
+\. ../../nvm.sh
 
 NVM_TEST_VERSION=v9
 
@@ -12,5 +11,10 @@ NVM_TEST_VERSION=v9
 # Write it to nvmrc
 echo "$NVM_TEST_VERSION" > .nvmrc
 
+output="$(../../nvm-exec 2>&1)";
+expected='N/A: version "v9" is not yet installed.
+
+You need to run `nvm install v9` to install and use it.
+No NODE_VERSION provided; no .nvmrc file found';
 # Skip install, we want to test the error message
-nvm-exec
+diff <(echo "$expected") <(echo "$output")