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

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

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

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

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

import org.opensearch.index.query.DisMaxQueryBuilder;
import org.opensearch.index.query.FuzzyQueryBuilder;
import org.opensearch.index.query.MatchAllQueryBuilder;
import org.opensearch.index.query.MatchPhraseQueryBuilder;
import org.opensearch.index.query.PrefixQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.TermQueryBuilder;
import org.opensearch.index.query.WildcardQueryBuilder;