// ====================== RemoveAll ======================
@Test
public void testRemoveAll() {
IList list = newList_withInitialData(10);
List listTest = new ArrayList<String>();
listTest.add("item0");
listTest.add("item1");
listTest.add("item2");
assertTrue(list.removeAll(listTest));
assertEquals(7, list.size());
assertEquals("item3", list.get(0));
}