[fetch-event-respond-with-readable-stream.https.html]
  expected: TIMEOUT
  [Cancellation in the page should be observable in the service worker with nonempty stream]
    expected:
      if os == "linux": [FAIL, PASS]
      [FAIL, PASS, TIMEOUT, NOTRUN]

  [Cancellation in the page should be observable in the service worker with empty stream]
    expected:
      if os == "win": [TIMEOUT, NOTRUN]
      if os == "linux": [TIMEOUT, NOTRUN]
      TIMEOUT

  [Abort in the page should be observable in the service worker with empty stream]
    expected: NOTRUN

  [Abort in the page should be observable in the service worker with nonempty stream]
    expected:
      if os == "win": [PASS, TIMEOUT, NOTRUN]
      if os == "linux": [PASS, TIMEOUT, FAIL]

  [Subresource built from a ReadableStream - fetch stream]
    expected:
      if os == "win": [PASS, TIMEOUT, NOTRUN]

  [Main resource built from a ReadableStream]
    expected:
      if os == "win": [PASS, TIMEOUT, NOTRUN]

  [Main resource built from a ReadableStream - delayed]
    expected:
      if os == "win": [PASS, NOTRUN]

  [Main resource built from a ReadableStream - fetch stream]
    expected:
      if os == "win": [PASS, TIMEOUT, NOTRUN]
      if os == "mac": [PASS, TIMEOUT]

  [Subresource built from a ReadableStream - delayed]
    expected:
      if os == "win": [PASS, TIMEOUT, NOTRUN]

  [Subresource built from a ReadableStream]
    expected:
      if os == "win": [PASS, TIMEOUT]