@Test
void addChild_bukkit_contains_alias() {

    when(map.register(literal)).thenReturn(new DispatcherCommand("a", null, null, null, List.of()));
    
    root.addChild(literal);
    
    assertNotNull(root.getChild("a"));
    assertNotNull(root.getChild("test:a"));
    assertNull(root.getChild("a1"));
    assertNull(root.getChild("test:a1"));
}