fixing mininet-test
diff --git a/jobs.yaml b/jobs.yaml
index 3129b47..f4695c5 100644
--- a/jobs.yaml
+++ b/jobs.yaml
@@ -19,7 +19,7 @@
     project-type: freestyle
     block-downstream: false
     builders:
-      - shell: "echo $dir; sudo -u mininet ~mininet/mininet/util/vm/build.py -v --test core --image $dir"
+      - shell: "echo $dir; sudo -u mininet ~mininet/mininet/util/vm/build.py -v --test core --image $dir/*.vmdk"
 
 - job:
     name: update-jenkins-jobs