}
  
  @Test
    public void shouldAllowDirectWorldCreation() {
    assertEquals(0, galaxyService.getNumberOfWorlds());
    World myWorld = galaxyService.createWorld("mine", 0);
        assertEquals(1, galaxyService.getNumberOfWorlds());
        
        Iterable<World> foundWorlds = galaxyService.getAllWorlds();
        World mine = foundWorlds.iterator().next();
        assertEquals(myWorld.getName(), mine.getName());
    }