[held.tentative.https.html]
  expected:
    if (os == "linux") and debug and fission: [OK, TIMEOUT]
  [A held lock on a nested worker must prevent bfcache]
    expected:
      if (os == "linux") and debug and fission: [PASS, TIMEOUT]

  [A held lock on a shared worker must prevent bfcache]
    expected:
      if (os == "linux") and debug and fission: [PASS, NOTRUN]