@SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    return ImmutableList.<Class<? extends AbstractTester>>of(
        MultimapAsMapGetTester.class,
        MultimapAsMapTester.class,
        MultimapSizeTester.class,
        MultimapClearTester.class,
        MultimapContainsKeyTester.class,
        MultimapContainsValueTester.class,