Move test job and friends to j7s-ci namespace.

jobs/test-trigger-check.yaml

@@ -1,7 +1,11 @@
+# Keeping this as an example, but the test pipeline was changed
+# at one point to show interoperability with PRs.
+---
 apiVersion: batch/v1
 kind: Job
 metadata:
   name: test-trigger-check
+  namespace: j7s-ci
 spec:
   template:
     spec:
@@ -12,6 +16,6 @@ spec:
         args:
           - "-c"
           - >-
-            curl -X POST http://el-test-pipeline-listener.default.svc.cluster.local:8080 -H 'Content-Type: application/json' -d '{}'
+            curl -X POST http://el-test-pipeline-listener.j7s-ci.svc.cluster.local:8080 -H 'Content-Type: application/json' -d '{}'
       restartPolicy: Never
   backoffLimit: 0