diff --git a/runtests.sh b/runtests.sh
index 0897fe0..a5e8427 100755
--- a/runtests.sh
+++ b/runtests.sh
@@ -22,6 +22,7 @@ set -u
 t_Process <(/usr/bin/find ./tests/0_*/ -type f|sort -t'/' )
 t_Process <(/usr/bin/find ./tests/p_*/ -type f|sort -t'/' )
 t_Process <(/usr/bin/find ./tests/r_*/ -type f|sort -t'/' )
+t_Process <(/usr/bin/find ./tests/z_*/ -type f|sort -t'/' )
 
 # and, we're done.
 t_Log "QA t_functional tests finished."