assertEquals("test_case", queryCommand.toLowercaseWildcard("Test_Case"));
        assertEquals("test-case", queryCommand.toLowercaseWildcard("Test-Case"));
    }

    public void test_toLowercaseWildcard_internationalCharacters() {
        queryCommand.setLowercaseWildcard(true);

        // Test with various international characters
        assertEquals("äöü", queryCommand.toLowercaseWildcard("ÄÖÜ"));