Fix scm in testing package builds

Change-Id: I574b13c8d3abda53cff83bb74332c91c2763c5ee
diff --git a/jenkins/client/job/debian/packages/testing.yml b/jenkins/client/job/debian/packages/testing.yml
index 67c816e..4a17efc 100644
--- a/jenkins/client/job/debian/packages/testing.yml
+++ b/jenkins/client/job/debian/packages/testing.yml
@@ -16,7 +16,7 @@
             concurrent: false
             scm:
               type: git
-              url: "https://github.com/tcpcloud/python-flask-hello.git"
+              url: "${_param:jenkins_gerrit_url}/mk/mk-pipelines"
               credentials: "gerrit"
               script: build-debian-packages-{{build}}.groovy
             trigger: