func NewFakeControllerExpectationsLookup(ttl time.Duration) (*ControllerExpectations, *testingclock.FakeClock) {
	fakeTime := time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC)
	fakeClock := testingclock.NewFakeClock(fakeTime)
	ttlPolicy := &cache.TTLPolicy{TTL: ttl, Clock: fakeClock}
	ttlStore := cache.NewFakeExpirationStore(
		ExpKeyFunc, nil, ttlPolicy, fakeClock)
	return &ControllerExpectations{ttlStore}, fakeClock
}