extenders       []tf.FakeExtender
		nodes           []string
		expectedResult  ScheduleResult
		expectsErr      bool
	}{
		{
			registerPlugins: []tf.RegisterPluginFunc{
				tf.RegisterFilterPlugin("TrueFilter", tf.NewTrueFilterPlugin),
				tf.RegisterQueueSortPlugin(queuesort.Name, queuesort.New),
				tf.RegisterBindPlugin(defaultbinder.Name, defaultbinder.New),
			},
			extenders: []tf.FakeExtender{
				{

				},
			},
		},
		{
			registerPlugins: []tf.RegisterPluginFunc{
				tf.RegisterQueueSortPlugin(queuesort.Name, queuesort.New),
				tf.RegisterFilterPlugin("TrueFilter", tf.NewTrueFilterPlugin),
				tf.RegisterScorePlugin("EqualPrioritizerPlugin", tf.NewEqualPrioritizerPlugin(), 1),
				tf.RegisterBindPlugin(defaultbinder.Name, defaultbinder.New),
			},

// TrueFilterPlugin is a filter plugin which always return Success when Filter function is called.
type TrueFilterPlugin struct{}

// Name returns name of the plugin.
func (pl *TrueFilterPlugin) Name() string {
	return "TrueFilter"
}

// Filter invoked at the filter extension point.
func (pl *TrueFilterPlugin) Filter(_ context.Context, _ *framework.CycleState, pod *v1.Pod, nodeInfo *framework.NodeInfo) *framework.Status {
	return nil
}

			expectedNumFilterCalled: []int32{2},
		},
		{
			name: "a pod that fits with no preemption",
			registerPlugins: []tf.RegisterPluginFunc{
				tf.RegisterFilterPlugin("TrueFilter", tf.NewTrueFilterPlugin),
			},
			nodeNames: []string{"node1", "node2"},
			testPods: []*v1.Pod{
				st.MakePod().Name("p").UID("p").Priority(highPriority).Obj(),
			},
			initPods: []*v1.Pod{