expectReconciled()
	assert.ChannelIsEmpty(t, writes)
	// Test fake doesn't actual do Apply, so manually do this
	defaultGateway.Annotations = map[string]string{ControllerVersionAnnotation: fmt.Sprint(ControllerVersion)}
	gws.Update(defaultGateway)
	expectReconciled()
	// We shouldn't write in response to our write.
	assert.ChannelIsEmpty(t, writes)

	defaultGateway.Annotations["foo"] = "bar"

	case r := <-c:
		return r
	case <-time.After(time.Second * 5):
		t.Fatalf("failed to receive event after 5s")
	}
	// Not reachable
	return ptr.Empty[T]()
}

// ChannelIsEmpty asserts a channel is empty for at least 20ms
func ChannelIsEmpty[T any](t test.Failer, c <-chan T) {
	t.Helper()
	select {
	case r := <-c:
		t.Fatalf("channel had element, expected empty: %v", r)
	case <-time.After(time.Millisecond * 20):
	}