protected Iterator<Integer> newTargetIterator() {
            return new ThrowingIterator<>(new IllegalStateException());
          }
        };
    assertFailure(tester);
  }

  public void testSimilarException() {
    List<Integer> emptyList = emptyList();
    IteratorTester<Integer> tester =
        new IteratorTester<Integer>(
            1, MODIFIABLE, emptyList, IteratorTester.KnownOrder.KNOWN_ORDER) {

          protected Iterator<Integer> newTargetIterator() {
            return new ThrowingIterator<>(new IllegalStateException());
          }
        };
    assertFailure(tester);
  }

  public void testSimilarException() {
    List<Integer> emptyList = emptyList();
    IteratorTester<Integer> tester =
        new IteratorTester<Integer>(
            1, MODIFIABLE, emptyList, IteratorTester.KnownOrder.KNOWN_ORDER) {