Tests that CORB/ORB blocking gets reported as an issue to DevTools.
Blocking cross-site document at http://devtools.oopif.test:8000/inspector-protocol/network/resources/nosniff.pl: shouldReportCorbBlocking=true.
Blocking cross-site document at http://devtools.oopif.test:8000/inspector-protocol/network/resources/simple-iframe.html: shouldReportCorbBlocking=true.
Blocking cross-site document at http://devtools.oopif.test:8000/inspector-protocol/network/resources/404.pl: shouldReportCorbBlocking=true.
Blocking cross-site document at http://devtools.oopif.test:8000/inspector-protocol/network/resources/content-length-0.pl: shouldReportCorbBlocking=true.
Allowing cross-site document at http://127.0.0.1:8000/inspector-protocol/network/resources/nosniff.pl: shouldReportCorbBlocking=false.
Allowing cross-site document at http://127.0.0.1:8000/inspector-protocol/network/resources/simple-iframe.html: shouldReportCorbBlocking=false.
Allowing cross-site document at http://devtools.oopif.test:8000/inspector-protocol/network/resources/test.css: shouldReportCorbBlocking=false.