review suggestion, fix comment in tests

components/odh-notebook-controller/controllers/notebook_controller_test.go

@@ -455,9 +455,9 @@ var _ = Describe("The Openshift Notebook controller", func() {
 						},
 						From: []netv1.NetworkPolicyPeer{
 							{
-								// Since for unit tests we do not have context,
-								// namespace will fallback to test pod namespace
-								// if run in CI or `redhat-ods-applications` if run locally
+								// Since for unit tests the controller does not run in a cluster pod,
+								// it cannot detect its own pod's namespace. Therefore, we define it
+								// to be `redhat-ods-applications` (in suite_test.go)
 								NamespaceSelector: &metav1.LabelSelector{
 									MatchLabels: map[string]string{
 										"kubernetes.io/metadata.name": testPodNamespace,