--- a/tests/test-install.t	Mon May 09 10:05:32 2016 +0200
+++ b/tests/test-install.t	Wed May 11 04:49:27 2016 +0000
@@ -78,6 +78,8 @@
   no problems detected
 
 #if test-repo
+  $ . "$TESTDIR/helpers-testrepo.sh"
+
   $ cat >> wixxml.py << EOF
   > import os, subprocess, sys
   > import xml.etree.ElementTree as ET