[fetch-header-visibility.https.html]
expected:
if (os == "linux") and debug and fission and swgl: [OK, ERROR]
if (os == "linux") and debug and fission and not swgl: [OK, ERROR, CRASH]
if (os == "android") and debug and not fission: [OK, ERROR, CRASH]
if (os == "android") and debug and fission: [OK, TIMEOUT, ERROR, CRASH]
if (os == "linux") and not debug and not fission: [OK, ERROR, CRASH]
if (os == "linux") and debug and not fission: [OK, ERROR]