CharSinkFactory charSinkFactory = SourceSinkFactories.asCharSinkFactory(factory);
    suite.addTest(
        CharSinkTester.suiteForString(
            name + ".asCharSink[Charset]", charSinkFactory, string, desc));
    return suite;
  }

  private static TestSuite suiteForBytes(
      String name, ByteSinkFactory factory, String desc, byte[] bytes) {
    TestSuite suite = new TestSuite(name + " [" + desc + "]");