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