@Override
      public CharSink createSink() throws IOException {
        return factory.createSink().asCharSink(UTF_8);
      }

      @Override
      public String getSinkContents() throws IOException {
        return new String(factory.getSinkContents(), UTF_8);
      }

      @Override
      public String getExpected(String data) {
        /*

    sink.writeFrom(new ByteArrayInputStream(data));

    assertContainsExpectedBytes();
  }

  private void assertContainsExpectedBytes() throws IOException {
    assertArrayEquals(expected, factory.getSinkContents());
  }

    sink.writeFrom(new ByteArrayInputStream(data));

    assertContainsExpectedBytes();
  }

  private void assertContainsExpectedBytes() throws IOException {
    assertArrayEquals(expected, factory.getSinkContents());
  }