[before-prepare-iframe-success-empty-src-classic.html]
  expected:
    if (os == "win") and debug and (processor == "x86_64") and not swgl: [OK, ERROR]
  [Eval: Move success empty-src classic script to iframe before-prepare]
    expected:
      if (os == "win") and debug and (processor == "x86_64") and not swgl: [PASS, NOTRUN]

  [<script> load: Move success empty-src classic script to iframe before-prepare]
    expected:
      if (os == "win") and debug and (processor == "x86_64") and not swgl: [PASS, NOTRUN]

  [<script> error: Move success empty-src classic script to iframe before-prepare]
    expected:
      if (os == "win") and debug and (processor == "x86_64") and not swgl: [PASS, FAIL]

  [window error: Move success empty-src classic script to iframe before-prepare]
    expected:
      if (os == "win") and debug and (processor == "x86_64") and not swgl: [PASS, NOTRUN]