text: {
    "name": "XML Namespace",
    "options": {},
    "html": "<ns:tag>text</ns:tag>",
    "expected": [
      {
        "type": "tag",
        "name": "ns:tag",
        "attribs": {},
        "children": [
          {
            "data": "text",
            "type": "text"
          }
        ]
      }
    ]
  }