@Test public void testDetele() { myList.insert(new Entity("Someone", 50)); myList.insert(new Entity("Somebody", 100)); myList.insert(new Entity("ThirdParty", 80)); myList.delete(myList.getHead().getRight()); assertEquals("(ThirdParty, 80)", myList.getHead().toString()); assertEquals("(Someone, 50)", myList.getHead().getRight().toString()); myList.delete(myList.getHead()); assertEquals("(Someone, 50)", myList.getHead().toString()); }