assertTrue(results.size() > 0);
    }

    public void test_convertMixedText() {
        List<String> results = converter.convert("トウキョウ", null);
        assertTrue(results.contains("toukyou"));
    }

    public void test_convertWithNumbers() {
        List<String> results = converter.convert("テスト123", null);
        assertNotNull(results);
        assertTrue(results.size() > 0);
    }

                + "      <image:caption>Sample image caption</image:caption>\n" + "      <image:title>Sample image title</image:title>\n"
                + "      <image:geo_location>Tokyo, Japan</image:geo_location>\n"
                + "      <image:license>http://www.example.com/license.txt</image:license>\n" + "    </image:image>\n" + "  </url>\n"
                + "</urlset>";

          <match value="0x0010" type="string" offset="17"/>
        </match>
      </match>
    </magic>
    <glob pattern="*.vf"/>
  </mime-type>
  <mime-type type="application/x-touhou">
    <_comment>Touhou Project</_comment>
    <tika:link>https://en.wikipedia.org/wiki/Touhou_Project</tika:link>
    <magic priority="50">
      <match value="0x7431" type="string" offset="0">