[small-payload.https.window.html]
  expected:
    if fission and (os == "win") and debug and (processor == "x86_64"): [ERROR, OK]
    if fission and (os == "win") and not debug: [ERROR, OK]
    if fission and (os == "mac") and not debug: [OK, ERROR]
    if fission and (os == "linux") and not debug: [ERROR, OK]
    if not fission: OK
    ERROR
  [fetchLater() accepts payload[size=20\] in a POST request body of String in a default cross-origin iframe.]
    expected: FAIL

  [fetchLater() accepts payload[size=20\] in a POST request body of ArrayBuffer in a default cross-origin iframe.]
    expected: FAIL

  [fetchLater() accepts payload[size=20\] in a POST request body of FormData in a default cross-origin iframe.]
    expected: FAIL

  [fetchLater() accepts payload[size=20\] in a POST request body of URLSearchParams in a default cross-origin iframe.]
    expected: FAIL

  [fetchLater() accepts payload[size=20\] in a POST request body of Blob in a default cross-origin iframe.]
    expected: FAIL

  [fetchLater() accepts payload[size=20\] in a POST request body of File in a default cross-origin iframe.]
    expected: FAIL