[getallresponseheaders.htm]
  expected:
    if (os == "android") and fission: [OK, TIMEOUT]
  [XMLHttpRequest: getAllResponseHeaders() 2]
    expected: FAIL

  [XMLHttpRequest: getAllResponseHeaders() 3]
    expected: FAIL

  [XMLHttpRequest: getAllResponseHeaders() 5]
    expected: FAIL

  [XMLHttpRequest: getAllResponseHeaders() 6]
    expected: FAIL