private BooleanQueryCommand booleanQueryCommand;

    @Override
    protected void setUpChild() throws Exception {
        // Register other query commands that might be needed
        new TermQueryCommand().register();
        new MatchAllQueryCommand().register();

        // Initialize and register BooleanQueryCommand
        booleanQueryCommand = new BooleanQueryCommand();

        // Register all query commands needed for testing
        new TermQueryCommand().register();
        new MatchAllQueryCommand().register();
        new PhraseQueryCommand().register();
        new BooleanQueryCommand().register();
        new PrefixQueryCommand().register();
        new WildcardQueryCommand().register();
        new FuzzyQueryCommand().register();

        // Initialize BoostQueryCommand

import org.codelibs.fess.entity.SearchRequestParams.SearchRequestType;
import org.codelibs.fess.exception.InvalidQueryException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.query.BooleanQueryCommand;
import org.codelibs.fess.query.BoostQueryCommand;
import org.codelibs.fess.query.FuzzyQueryCommand;
import org.codelibs.fess.query.MatchAllQueryCommand;
import org.codelibs.fess.query.PhraseQueryCommand;