/** Test todos se abstienen */
  @Test
  public final void todosSeAbstienen() {
    when(voter1.getCharset(any(ResponseMetadata.class), any(InputStream.class))).thenReturn(null);
    when(voter2.getCharset(any(ResponseMetadata.class), any(InputStream.class))).thenReturn(null);
    when(voter3.getCharset(any(ResponseMetadata.class), any(InputStream.class))).thenReturn(null);
    final VotersCharsetStrategy strategy =
        new VotersCharsetStrategy(Arrays.asList(voter1, voter2, voter3), "utf-8");

    Charset charset = strategy.getCharset(mock(ResponseMetadata.class), mock(InputStream.class));
    Assert.assertEquals(charset.name(), "UTF-8");
  }
 /** Test donde no hay voters */
 @Test
 public final void noVoters() {
   final VotersCharsetStrategy strategy = new VotersCharsetStrategy(null, "utf-8");
   Charset charset = strategy.getCharset(mock(ResponseMetadata.class), mock(InputStream.class));
   Assert.assertEquals(charset.name(), "UTF-8");
 }