[before-prepare-iframe-fetch-error-external-classic.html]
  [<script> error: Move fetch-error external classic script to iframe before-prepare]
    expected:
      if (os == "linux") and not swgl and (processor == "x86_64") and fission and debug: [FAIL, PASS]
      if (os == "win") and (processor == "x86") and debug: [FAIL, PASS]
      [PASS, FAIL]