type ActivePodsFunc func() []*v1.Pod

// ManagerImpl is the structure in charge of managing Device Plugins.
type ManagerImpl struct {
	checkpointdir string

	endpoints map[string]endpointInfo // Key is ResourceName
	mutex     sync.Mutex

	server plugin.Server

	// activePods is a method for listing active pods on the node
	// so the amount of pluginResources requested by existing pods

		} else {
			for i := range expected[x] {
				newEp, ok := newMap[x][i].(*BaseEndpointInfo)
				if !ok {
					t.Fatalf("Failed to cast endpointInfo")
				}
				if !endpointEqual(newEp, expected[x][i]) {
					t.Fatalf("expected new[%v][%d] to be %v, got %v"+