Merge pull request kubernetes#72537 from mortent/FixEvictionsFlake

Fix flaking evictions test

Author: k8s-ci-robot

test/integration/evictions/evictions_test.go

@@ -86,7 +86,7 @@ func TestConcurrentEvictionRequests(t *testing.T) {
 		}
 	}
 
-	waitToObservePods(t, informers.Core().V1().Pods().Informer(), numOfEvictions)
+	waitToObservePods(t, informers.Core().V1().Pods().Informer(), numOfEvictions, v1.PodRunning)
 
 	pdb := newPDB()
 	if _, err := clientSet.Policy().PodDisruptionBudgets(ns.Name).Create(pdb); err != nil {
@@ -193,18 +193,21 @@ func TestTerminalPodEviction(t *testing.T) {
 	if _, err := clientSet.CoreV1().Pods(ns.Name).Create(pod); err != nil {
 		t.Errorf("Failed to create pod: %v", err)
 	}
+
 	addPodConditionSucceeded(pod)
 	if _, err := clientSet.CoreV1().Pods(ns.Name).UpdateStatus(pod); err != nil {
 		t.Fatal(err)
 	}
 
-	waitToObservePods(t, informers.Core().V1().Pods().Informer(), 1)
+	waitToObservePods(t, informers.Core().V1().Pods().Informer(), 1, v1.PodSucceeded)
 
 	pdb := newPDB()
 	if _, err := clientSet.Policy().PodDisruptionBudgets(ns.Name).Create(pdb); err != nil {
 		t.Errorf("Failed to create PodDisruptionBudget: %v", err)
 	}
 
+	waitPDBStable(t, clientSet, 1, ns.Name, pdb.Name)
+
 	pdbList, err := clientSet.Policy().PodDisruptionBudgets(ns.Name).List(metav1.ListOptions{})
 	if err != nil {
 		t.Fatalf("Error while listing pod disruption budget")
@@ -341,13 +344,19 @@ func rmSetup(t *testing.T) (*httptest.Server, framework.CloseFunc, *disruption.D
 // wait for the podInformer to observe the pods. Call this function before
 // running the RS controller to prevent the rc manager from creating new pods
 // rather than adopting the existing ones.
-func waitToObservePods(t *testing.T, podInformer cache.SharedIndexInformer, podNum int) {
+func waitToObservePods(t *testing.T, podInformer cache.SharedIndexInformer, podNum int, phase v1.PodPhase) {
 	if err := wait.PollImmediate(2*time.Second, 60*time.Second, func() (bool, error) {
 		objects := podInformer.GetIndexer().List()
-		if len(objects) == podNum {
-			return true, nil
+		if len(objects) != podNum {
+			return false, nil
 		}
-		return false, nil
+		for _, obj := range objects {
+			pod := obj.(*v1.Pod)
+			if pod.Status.Phase != phase {
+				return false, nil
+			}
+		}
+		return true, nil
 	}); err != nil {
 		t.Fatal(err)
 	}