[duration-with-target-low.html]
  expected:
    if not debug and fission and (os == "win") and (processor == "x86"): [TIMEOUT, OK]
    [OK, TIMEOUT]
  [PerformanceObserver with durationThreshold of 300 and processingDelay of 0 doesn't see any entries in the observer]
    expected:
      if (os == "linux") and debug and fission and not swgl: [FAIL, PASS, TIMEOUT]
      if (os == "linux") and debug and fission and swgl: [FAIL, PASS, TIMEOUT]
      if (os == "linux") and not debug and (processor == "x86_64") and fission: [PASS, TIMEOUT, FAIL]
      if (os == "linux") and not debug and (processor == "x86"): [FAIL, PASS, TIMEOUT]
      if (os == "win") and not debug and (processor == "x86"): [TIMEOUT, PASS, FAIL]
      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, PASS, TIMEOUT]
      if (os == "mac") and debug: [FAIL, PASS, TIMEOUT]
      if (os == "mac") and not debug: [FAIL, TIMEOUT, PASS]
      if (os == "win") and debug: [FAIL, PASS, TIMEOUT]
      [PASS, FAIL, TIMEOUT]