func waitPDBStable(t *testing.T, clientSet clientset.Interface, podNum int32, ns, pdbName string) {
if err := wait.PollImmediate(2*time.Second, 60*time.Second, func() (bool, error) {
pdb, err := clientSet.Policy().PodDisruptionBudgets(ns).Get(pdbName, metav1.GetOptions{})
if err != nil {
return false, err
}
if pdb.Status.CurrentHealthy != podNum {
return false, nil
}
return true, nil
}); err != nil {
t.Fatal(err)
}
}