assertEquals("test123", queryCommand.toLowercaseWildcard("TEST123"));
        assertEquals("", queryCommand.toLowercaseWildcard(""));
    }

    @Test
    public void test_toLowercaseWildcard_disabled() {
        queryCommand.setLowercaseWildcard(false);

        assertEquals("TEST", queryCommand.toLowercaseWildcard("TEST"));
        assertEquals("TEST*", queryCommand.toLowercaseWildcard("TEST*"));

        assertEquals("mixed123", queryCommand.toLowercaseWildcard("MiXeD123"));
        assertEquals("already_lower", queryCommand.toLowercaseWildcard("already_lower"));
    }

    @Test
    public void test_toLowercaseWildcard_disabled() {
        queryCommand.setLowercaseWildcard(false);

        assertEquals("TEST", queryCommand.toLowercaseWildcard("TEST"));
        assertEquals("Hello", queryCommand.toLowercaseWildcard("Hello"));