Update tests to prepare for graceful deletion

For cases where we want to immediately cleanup the pod, start using
gracePeriod 0 in test cases.

test/integration/auth_test.go

@@ -232,7 +232,7 @@ var deleteNow string = `
 {
   "kind": "DeleteOptions",
   "apiVersion": "` + testapi.Version() + `",
-  "gracePeriodSeconds": null%s
+  "gracePeriodSeconds": 0%s
 }
 `
 

test/integration/scheduler_test.go

@@ -277,7 +277,7 @@ func DoTestUnschedulableNodes(t *testing.T, restClient *client.Client, nodeStore
 			t.Logf("Test %d: Pod got scheduled on a schedulable node", i)
 		}
 
-		err = restClient.Pods(api.NamespaceDefault).Delete(myPod.Name, nil)
+		err = restClient.Pods(api.NamespaceDefault).Delete(myPod.Name, api.NewDeleteOptions(0))
 		if err != nil {
 			t.Errorf("Failed to delete pod: %v", err)
 		}