t.Errorf("Mount was not called exactly one time. It was called %d times.", len(log))
	} else {
		if log[0].Action != mount.FakeActionMount {
			t.Errorf("Unexpected mounter action: %#v", log[0])
		}
	}
	fake.ResetLog()

	unmounter, err := plug.(*nfsPlugin).newUnmounterInternal("vol1", types.UID("poduid"), fake)
	if err != nil {
		t.Errorf("Failed to make a new Unmounter: %v", err)
	}
	if unmounter == nil {

		(log[0].Action != mount.FakeActionMount || (log[0].FSType != "tmpfs" && log[0].FSType != "hugetlbfs")) {
		t.Errorf("Unexpected physicalMounter action during setup: %#v", log[0])
	}
	physicalMounter.ResetLog()

	// Make an unmounter for the volume
	teardownMedium := v1.StorageMediumDefault
	if config.medium == v1.StorageMediumMemory {
		teardownMedium = v1.StorageMediumMemory
	}