@Override
            public org.opensearch.search.rescore.RescorerBuilder<?> evaluate(java.util.Map<String, Object> params) {
                return null; // Return null for this test
            }
        };

        queryHelper.addQueryRescorer(mockRescorer);

        java.util.Map<String, Object> params = new java.util.HashMap<>();
        org.opensearch.search.rescore.RescorerBuilder<?>[] rescorers = queryHelper.getRescorers(params);

import java.util.HashMap;
import java.util.Map;

import org.codelibs.fess.unit.UnitFessTestCase;
import org.opensearch.index.query.MatchAllQueryBuilder;
import org.opensearch.search.rescore.QueryRescorerBuilder;
import org.opensearch.search.rescore.RescorerBuilder;

public class QueryRescorerTest extends UnitFessTestCase {

    private QueryRescorer queryRescorer;

    @Override
    public void setUp() throws Exception {

import java.util.Map;

import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;
import org.opensearch.search.rescore.QueryRescorerBuilder;
import org.opensearch.search.rescore.RescorerBuilder;

public class LtrQueryRescorerTest extends UnitFessTestCase {

    private LtrQueryRescorer ltrQueryRescorer;

    @Override
    public void setUp() throws Exception {

        });

        // Add sorts
        queryContext.addSorts(SortBuilders.fieldSort("_score"), SortBuilders.fieldSort("date").unmappedType("date"));

        // Add field logs
        queryContext.addFieldLog("title", "search");
        queryContext.addFieldLog("title", "term");

    }

    public void test_constants() {
        // Test that constants have expected values
        assertEquals("score", QueryFieldConfig.SCORE_FIELD);
        assertEquals("_score", QueryFieldConfig.DOC_SCORE_FIELD);
        assertEquals("site", QueryFieldConfig.SITE_FIELD);
        assertEquals("inurl", QueryFieldConfig.INURL_FIELD);
        assertEquals("score", QueryFieldConfig.SCORE_SORT_VALUE);