}

    public void test_convertModernKatakana_Wi() {
        List<String> results = converter.convert("ウィ", null);
        assertTrue(results.contains("wi"));
    }

    public void test_convertModernKatakana_We() {
        List<String> results = converter.convert("ウェ", null);
        assertTrue(results.contains("we"));
    }

    public void test_convertModernKatakana_Wo() {