### Question:
TileCollidableListenerVoid { public static TileCollidableListener getInstance() { return INSTANCE; } private  TileCollidableListenerVoid(); static TileCollidableListener getInstance();  }### Answer:
@Test void testGetInstance() { assertNotNull(TileCollidableListenerVoid.getInstance()); }
@Test void testNotify() { TileCollidableListenerVoid.getInstance().notifyTileCollided(null, null); }