Just get test1 working reliably

Change-Id: I494d55ebd312ddc74ff5c4f38cad662665d0a875
diff --git a/jjb/siab-e2e.yaml b/jjb/siab-e2e.yaml
index b5b1935..1549e08 100644
--- a/jjb/siab-e2e.yaml
+++ b/jjb/siab-e2e.yaml
@@ -52,7 +52,7 @@
 
           cd cord/automation-tools/seba-in-a-box
           [ -e /usr/bin/kubeadm ] && make reset-kubeadm
-          make && make run-tests
+          make && make run-tests TESTTAGS=test1
 
     publishers:
       - email: