ignore NotFound error

Signed-off-by: Rohan Sharma <rhnsharma5113@gmail.com>

test/e2e/namespace_test.go

@@ -77,6 +77,9 @@ var _ = ginkgo.Describe("[namespace auto-provision] namespace auto-provision tes
 					err := wait.PollImmediate(pollInterval, pollTimeout, func() (done bool, err error) {
 						_, err = clusterClient.CoreV1().Namespaces().Get(context.TODO(), namespaceName, metav1.GetOptions{})
 						if err != nil {
+							if errors.IsNotFound(err) {
+								return false, nil
+							}
 							return false, err
 						}
 						return true, nil