public void testAddAll_nonEmptyList() {
    assertTrue(getMultiset().addAll(asList(e3(), e4(), e3())));
    expectAdded(e3(), e4(), e3());
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddAll_nonEmptyMultiset() {
    assertTrue(getMultiset().addAll(getSubjectGenerator().create(e3(), e4(), e3())));
    expectAdded(e3(), e4(), e3());
  }