[send-authentication-competing-names-passwords.htm]
  [XMLHttpRequest: send() - "Basic" authenticated requests with competing user name/password options user name in URL userinfo, password in open() call: user name wins and password is thrown away]
    expected: FAIL

  [XMLHttpRequest: send() - "Basic" authenticated requests with competing user name/password options user name and password in URL userinfo, only user name in open() call: user name in open() wins]
    expected: FAIL

  [XMLHttpRequest user/pass options: pass in URL, user in open()]
    expected: FAIL

  [XMLHttpRequest user/pass options: pass in URL, user/pass in open()]
    expected: FAIL

  [XMLHttpRequest user/pass options: user in URL, pass in open()]
    expected: FAIL

  [XMLHttpRequest user/pass options: user/pass in URL; user in open()]
    expected: FAIL

  [XMLHttpRequest user/pass options: user/pass in URL; pass in open()]
    expected: FAIL

