@Test
public void shouldAllowTwoQueryParserReferencesInConstructor() {

    parsers = new QueryParsers(parser1, parser2);
    assertThat(parsers.getLanguages().size(), is(2));
    assertThat(parsers.getLanguages().contains(parser1.getLanguage()), is(true));
    assertThat(parsers.getLanguages().contains(parser2.getLanguage()), is(true));
}