// nodes objects
	node1         = makeNode("node1").withLabel(nodeLabelKey, "node1").Node
	node2         = makeNode("node2").withLabel(nodeLabelKey, "node2").Node
	node1NoLabels = makeNode("node1").Node
	node1Zone1    = makeNode("node1").withLabel("topology.gke.io/zone", "us-east-1").Node
	node1Zone2    = makeNode("node1").withLabel("topology.gke.io/zone", "us-east-2").Node

	// csiNode objects

		name   string
		pods   []*corev1.Pod
		nodes  []*corev1.Node
		wantAZ map[*corev1.Pod]string
	}{
		{
			name: "should return correct az for given address",
			pods: []*corev1.Pod{pod1, pod2},
			nodes: []*corev1.Node{
				generateNode("node1", map[string]string{NodeZoneLabel: "zone1", NodeRegionLabel: "region1", label.TopologySubzone.Name: "subzone1"}),

	}{
		{
			name:     "test ok 1 with PV",
			nodeName: "node01",
			attachID: getAttachmentName("vol01", "driver01", "node01"),
			spec:     volume.NewSpecFromPersistentVolume(makeTestPV("pv01", 10, "driver01", "vol01"), false),
		},
		{
			name:       "test failure, attach with volSrc",
			nodeName:   "node01",
			attachID:   getAttachmentName("vol01", "driver01", "node01"),

				st.MakePod().Name("p2").UID("p2").Namespace(v1.NamespaceDefault).Node("node2").Req(mediumRes).Obj(),
			},
			// even though node1 will fail with error but node2 will still be returned as a valid nominated node.
			nodes: []*v1.Node{
				st.MakeNode().Name("node1").Capacity(largeRes).Label("error", "true").Obj(),
				st.MakeNode().Name("node2").Capacity(largeRes).Obj(),
			},

	if px, strip := x.(*ast.ParenExpr); strip {
		// parentheses must not be stripped if there are any
		// unparenthesized composite literals starting with
		// a type name
		ast.Inspect(px.X, func(node ast.Node) bool {
			switch x := node.(type) {
			case *ast.ParenExpr:
				// parentheses protect enclosed composite literals
				return false
			case *ast.CompositeLit:
				if isTypeName(x.Type) {

		network:   networkID,
		index:     idx.(*index),
		fx:        up,
		pc:        clienttest.NewDirectClient[*corev1.Pod, corev1.Pod, *corev1.PodList](t, cl),
		sc:        clienttest.NewDirectClient[*corev1.Service, corev1.Service, *corev1.ServiceList](t, cl),
		ns:        clienttest.NewWriter[*corev1.Namespace](t, cl),
		grc:       clienttest.NewWriter[*k8sbeta.Gateway](t, cl),

				Obj(),
			nodes: []*v1.Node{
				st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
				st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000"}).Obj(),
			},
			existingPods: []*v1.Pod{
				st.MakePod().Node("node1").Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "4000"}).Obj(),

            [
                taskMatcher("node1", ":producer:producer", []),
                transformStepMatcher("node2", expectedTransformId1, ["node1"]),
                transformStepMatcher("node3", expectedTransformId2, ["node1"]),
                taskMatcher("node4", ":consumer1:resolve", ["node2"]),
                taskMatcher("node5", ":consumer2:resolve", ["node3"]),
            ]
        )

		Spec: corev1.ResourceQuotaSpec{
			Scopes: []corev1.ResourceQuotaScope{corev1.ResourceQuotaScopeTerminating},
		},
		Status: corev1.ResourceQuotaStatus{
			Hard: corev1.ResourceList{
				corev1.ResourceCPU:    resource.MustParse("3"),
				corev1.ResourceMemory: resource.MustParse("100Gi"),
				corev1.ResourcePods:   resource.MustParse("5"),
			},
			Used: corev1.ResourceList{
				corev1.ResourceCPU:    resource.MustParse("1"),

			accessModes: []corev1.PersistentVolumeAccessMode{
				corev1.ReadWriteMany,
				corev1.ReadOnlyMany,
			},
			fsType:     "ext4",
			setFsGroup: true,
			fsGroup:    3000,
		},
		{
			name: "fstype, fsgroup, RWO, but readOnly (should not apply fsgroup)",
			accessModes: []corev1.PersistentVolumeAccessMode{
				corev1.ReadWriteOnce,
			},
			readOnly:   true,