@Test
 public void shouldConvertToQueue() {
   final Value<Integer> value = of(1, 2, 3);
   final Queue<Integer> queue = value.toQueue();
   if (value.isSingleValued()) {
     assertThat(queue).isEqualTo(Queue.of(1));
   } else {
     assertThat(queue).isEqualTo(Queue.of(1, 2, 3));
   }
 }