type metricsUpdate struct {
	desired, actual int
}

// desiredAndActualSlices returns a metricsUpdate with the desired and actual
// number of EndpointSlices given the current values in the cache.
// Must be called holding lock.
func (c *Cache) desiredAndActualSlices() metricsUpdate {
	mUpdate := metricsUpdate{}
	for _, spCache := range c.cache {
		for _, eInfo := range spCache.items {

	expectNumEndpointsAndSlices(t, c, 4, 4, 160)
}

func expectNumEndpointsAndSlices(t *testing.T, c *Cache, desired int, actual int, numEndpoints int) {
	t.Helper()
	mUpdate := c.desiredAndActualSlices()
	if mUpdate.desired != desired {
		t.Errorf("Expected numEndpointSlices to be %d, got %d", desired, mUpdate.desired)
	}
	if mUpdate.actual != actual {