assertQueryBuilder("test", "", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("test", "test", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("test", "a", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("test", "あ", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("test", "ア", MatchPhraseQueryBuilder.class);

                "aaa");
        assertQueryBuilder(MatchPhraseQueryBuilder.class,
                "{\"match_phrase\":{\"title\":{\"query\":\"aaa\",\"slop\":0,\"zero_terms_query\":\"NONE\",\"boost\":1.0}}}", //
                "title:aaa");
        assertQueryBuilder(MatchPhraseQueryBuilder.class,

        assertNotNull(result);
        assertTrue(result instanceof MatchPhraseQueryBuilder);

        // Verify query was processed
        assertNotNull(result);
        assertTrue(result instanceof MatchPhraseQueryBuilder);
    }

    @Test
    public void test_convertPhraseQuery_unknownField() {
        // Test with unknown field (not a search field)