t.Fatalf("can't create temp dir: %v", err)
	}

	if client == nil {
		client = fakeclient.NewSimpleClientset()
	}

	client.Tracker().Add(&v1.Node{
		ObjectMeta: metav1.ObjectMeta{
			Name: "fakeNode",
		},
		Spec: v1.NodeSpec{},
	})

	// Start informer for CSIDrivers.
	factory := informers.NewSharedInformerFactory(client, csi.CsiResyncPeriod)
	csiDriverInformer := factory.Storage().V1().CSIDrivers()

			).(*manager)
			defer cleanup(t, m)

			now := time.Now()
			fakePods := make([]*fakePod, numTestPods)
			for i := 0; i < numTestPods; i++ {
				fake, err := newFakePod(tt.http)
				if err != nil {
					t.Fatalf("unexpected error creating fake pod: %v", err)
				}
				defer fake.stop()
				handler := fake.probeHandler()
				fakePods[i] = fake

				pod := v1.Pod{
					ObjectMeta: metav1.ObjectMeta{

			contentType: "application/json",
			ns:          &fakeNegotiater{serializer: fakeCodec, types: []string{"application/json"}},
			serializer:  fakeCodec,
		},
		{
			accept:      "",
			contentType: "application/json",
			ns:          &fakeNegotiater{serializer: fakeCodec, types: []string{"application/json"}},
			serializer:  fakeCodec,
		},
		{
			accept:      "*/*",
			contentType: "application/json",

			name: "namespaced alternate version",
			deps: []*node{
				makeNode(ns1child1, withOwners(nsabsentparentns1)),
				makeNode(ns1child2, withOwners(nsabsentparent_version)),
			},
			verifiedAbsent:    nsabsentparentns1,
			expectedAlternate: &nsabsentparent_version, // switch to alternate version
		},
		{
			name: "namespaced alternate kind",
			deps: []*node{
				makeNode(ns1child1, withOwners(nsabsentparentns1)),

			compareNode: makeNode(nil, false, true),
		},
		{
			name:        "update with Spec.ConfigSource and Status.Config (old has them)",
			node:        makeNode(nil, true, true),
			oldNode:     makeNode(nil, true, true),
			compareNode: makeNode(nil, true, true),
		},
		{
			name:        "update with Spec.ConfigSource and Status.Config (old has Status.Config)",

  *graph.mutable_library()->add_function() = make_test_fn;
  *graph.add_node() = MakeNode("a", "Placeholder", {},
                               {{"dtype", DT_FLOAT}, {"shape", input_shape}});
  *graph.add_node() = MakeNode("b", "Placeholder", {},
                               {{"dtype", DT_FLOAT}, {"shape", input_shape}});
  *graph.add_node() = MakeNode("c", "Placeholder", {},

	volumes := map[string]volume.Volume{vol0: &fakeVolume{}, vol1: &fakeVolume{}, vol3: &fakeVolume{}}
	mockStats.EXPECT().ListVolumesForPod(fakePod.UID).Return(volumes, true)
	blockVolumes := map[string]volume.BlockVolume{vol2: &fakeBlockVolume{}}
	mockStats.EXPECT().ListBlockVolumesForPod(fakePod.UID).Return(blockVolumes, true)

	eventStore := make(chan string, 1)
	fakeEventRecorder := record.FakeRecorder{
		Events: eventStore,
	}

	ctx := context.Background()
	runtime := &ctest.FakeRuntime{}
	cache := NewTestRuntimeCache(runtime)

	// Cache old pods.
	oldpods := []*ctest.FakePod{{Pod: &Pod{ID: "1111"}}}
	runtime.PodList = oldpods
	cache.UpdateCacheWithLock()

	// Update the runtime to new pods.
	newpods := []*ctest.FakePod{{Pod: &Pod{ID: "1111"}}, {Pod: &Pod{ID: "2222"}}, {Pod: &Pod{ID: "3333"}}}
	runtime.PodList = newpods

			newNode:      st.MakeNode().Name("node-a").Label("zone", "zone1").Obj(),
			expectedHint: framework.Queue,
		},
		{
			name:         "add a new node without matched topologyKey",
			pod:          st.MakePod().Name("p").PodAffinityIn("service", "region", []string{"securityscan", "value2"}, st.PodAffinityWithRequiredReq).Obj(),
			newNode:      st.MakeNode().Name("node-a").Label("zone", "zone1").Obj(),

		{
			pod:  &v1.Pod{},
			node: &v1.Node{},
			name: "no host specified",
		},
		{
			pod:  st.MakePod().Node("foo").Obj(),
			node: st.MakeNode().Name("foo").Obj(),
			name: "host matches",
		},
		{
			pod:        st.MakePod().Node("bar").Obj(),
			node:       st.MakeNode().Name("foo").Obj(),
			name:       "host doesn't match",
			wantStatus: framework.NewStatus(framework.UnschedulableAndUnresolvable, ErrReason),
		},
	}