adding timeout to "helm test" for att-workflow profile

Change-Id: I96c82227ebeea360941e15230978c8f555b9b127
diff --git a/jjb/pipeline/workflow-validations.groovy b/jjb/pipeline/workflow-validations.groovy
index 67dffbe..05c1653 100644
--- a/jjb/pipeline/workflow-validations.groovy
+++ b/jjb/pipeline/workflow-validations.groovy
@@ -107,7 +107,7 @@
              echo "## 'helm status' for chart: \${hchart} ##"
              helm status "\${hchart}"
            done
-           helm test att-workflow
+           helm test --timeout 1000 att-workflow
            popd
 
            """