@Test
void shouldReturnEmptyQueue()
{

    Queue<Object> queue = Iterables.emptyQueue();
    assertEquals( 0, queue.size() );
    assertTrue( queue.isEmpty() );
    assertNull( queue.peek() );
    assertNull( queue.poll() );
    assertThrows( UnsupportedOperationException.class, () -> queue.add( "Hello" ) );
    assertThrows( UnsupportedOperationException.class, () -> queue.offer( "World" ) );
}