ps.Publish(val)

	msg1 := <-ch1
	msg2 := <-ch2
	if msg1 != val && msg2 != val {
		t.Fatalf("expected both subscribers to have%s , found %s and  %s", val, msg1, msg2)
	}
}

func TestMultiPubSubMask(t *testing.T) {
	ps := New[Maskable, Maskable](3)
	ch1 := make(chan Maskable, 1)
	ch2 := make(chan Maskable, 1)
	ch3 := make(chan Maskable, 1)
	doneCh := make(chan struct{})
	defer close(doneCh)