}
    assertCollectionsAreEquivalent(multiset, copy);

    assertCollectionsAreEquivalent(multiset, copy);

    assertSetIsUnmodifiable(multiset.elementSet(), sampleElement);
    assertCollectionsAreEquivalent(multiset, copy);

    assertSetIsUnmodifiable(
        multiset.entrySet(),
        new Multiset.Entry<E>() {
          @Override
          public int getCount() {
            return 1;