fix example deployment

Author: kvaps

examples/test-app/components/test-job.yaml

@@ -1,7 +1,7 @@
 apiVersion: batch/v1
 kind: Job
 metadata:
-  generateName: tj-
+  name: tj
 spec:
   template:
     spec:

examples/test-app/lib/objects.libsonnet

@@ -23,8 +23,16 @@
         metadata: {
             namespace: namespace,
             name: name,
+            labels: {
+                name: name,
+            },
         },
         spec: {
+            selector: {
+                matchLabels: {
+                    name: name,
+                },
+            },
             template: {
                 spec: {
                     containers: [