[register-same-scope-different-script-url.https.html]
  expected:
    if (os == "linux") and webrender and not debug and not fission: ["OK", "TIMEOUT"]
  [Register same-scope new script url effect on controller]
    expected:
      if (os == "linux") and webrender and not debug and not fission: ["PASS", "TIMEOUT"]

  [Register then register new script URL that 404s]
    expected:
      if (os == "linux") and webrender and not debug and not fission: ["PASS", "TIMEOUT"]

  [Register different scripts concurrently]
    expected:
      if (os == "mac") and not debug: ["FAIL", "PASS"]

