@Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    return ImmutableList.of(
        MultimapAsMapGetTester.class,
        MultimapAsMapTester.class,
        MultimapSizeTester.class,
        MultimapClearTester.class,
        MultimapContainsKeyTester.class,
        MultimapContainsValueTester.class,
        MultimapContainsEntryTester.class,
        MultimapEntriesTester.class,