    "text/x-pink-unicorn",
        "If no charset= param is given, implementation should not add one - unknown MIME"
      )
      request(
        "text/plain",
        "text/plain",
        "If no charset= param is given, implementation should not add one - known MIME"
      )
      request(
        "text/plain;  hi=bye",
        "text/plain;  hi=bye",
        "If no charset= param is given, implementation should not add one - known MIME, unknown param, two spaces"
      )
      request(
        "text/x-t