@Test
 public void addingAllToOtherList() {
   MutableList<String> newList = FastList.newList(this.list);
   newList.add("2");
   Verify.assertItemAtIndex("1", 0, newList);
   Verify.assertItemAtIndex("2", 1, newList);
 }
 @Test
 public void get() {
   Verify.assertItemAtIndex("1", 0, this.list);
   Verify.assertThrows(IndexOutOfBoundsException.class, () -> this.list.get(1));
   Verify.assertThrows(IndexOutOfBoundsException.class, () -> this.list.get(-1));
 }