assertEquals("test", queryCommand.toLowercaseWildcard("TEST"));
        assertEquals("test*", queryCommand.toLowercaseWildcard("TEST*"));
        assertEquals("*test*", queryCommand.toLowercaseWildcard("*TEST*"));
        assertEquals("te?t", queryCommand.toLowercaseWildcard("TE?T"));
        assertEquals("test123", queryCommand.toLowercaseWildcard("TEST123"));

            return QueryBuilders.wildcardQuery(field, toLowercaseWildcard(text)).boost(boost);
        }

        final String query = wildcardQuery.getTerm().toString();
        final StringBuilder queryBuf = new StringBuilder(query.length() + 2);
        if (!query.startsWith("*")) {
            queryBuf.append('*');
        }
        queryBuf.append(toLowercaseWildcard(query));
        if (!query.endsWith("*")) {

        queryCommand.setLowercaseWildcard(true);

        assertEquals("test", queryCommand.toLowercaseWildcard("TEST"));
        assertEquals("hello", queryCommand.toLowercaseWildcard("Hello"));
        assertEquals("mixed123", queryCommand.toLowercaseWildcard("MiXeD123"));
        assertEquals("already_lower", queryCommand.toLowercaseWildcard("already_lower"));
    }

    public void test_toLowercaseWildcard_disabled() {

        context.addHighlightedQuery(text);
        if (getQueryFieldConfig().notAnalyzedFieldSet.contains(field)) {
            return QueryBuilders.prefixQuery(field, toLowercaseWildcard(text)).boost(boost);
        }
        return QueryBuilders.matchPhrasePrefixQuery(field, toLowercaseWildcard(text))
                .boost(boost)
                .maxExpansions(fessConfig.getQueryPrefixExpansionsAsInteger())