Merge pull request #67385 from nikhita/patch-no-op-msg

Automatic merge from submit-queue (batch tested with PRs 67347, 67307, 67358, 67364, 67385). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

kubectl: update message for a no-op patch

Fixes https://github.com/kubernetes/kubernetes/issues/67344

/cc liggitt juanvallejo soltysh timoreimann 
/sig cli

**Release note**:

```release-note
NONE
```

test/cmd/core.sh

@@ -439,9 +439,9 @@ run_pod_tests() {
   output_message=$(! kubectl patch "${kube_flags[@]}" pod valid-pod -p='{"metadata":{"labels":"invalid"}}' 2>&1)
   kube::test::if_has_string "${output_message}" 'cannot restore map from string'
 
-  ## Patch exits with error message "not patched" and exit code 0 when no-op occurs
+  ## Patch exits with error message "patched (no change)" and exit code 0 when no-op occurs
   output_message=$(kubectl patch "${kube_flags[@]}" pod valid-pod -p='{"metadata":{"labels":{"name":"valid-pod"}}}' 2>&1)
-  kube::test::if_has_string "${output_message}" 'not patched'
+  kube::test::if_has_string "${output_message}" 'patched (no change)'
 
   ## Patch pod can change image
   # Command