Fix inverted logic - wait for the pod to stop existing. (#1648)

Might be the reason we have been seeing flakiness in test runs.

Signed-off-by: Tomasz Baranski <tbaransk@redhat.com>
Signed-off-by: Maya Rashish <mrashish@redhat.com>

Co-authored-by: Maya Rashish <mrashish@redhat.com>

tests/utils/pod.go

@@ -52,7 +52,7 @@ func DeletePodByName(clientSet *kubernetes.Clientset, podName, namespace string,
 	})
 	return wait.PollImmediate(2*time.Second, podDeleteTime, func() (bool, error) {
 		_, err := clientSet.CoreV1().Pods(namespace).Get(context.TODO(), podName, metav1.GetOptions{})
-		if !errors.IsNotFound(err) {
+		if errors.IsNotFound(err) {
 			return true, nil
 		}
 		return false, err