Tests that shared worker requests are intercepted.
[browser] Request to http://127.0.0.1:8000/inspector-protocol/fetch/resources/worker.js, type: Other
test token in overriden worker body: OK: overriden worker body
[browser] Request to http://127.0.0.1:8000/inspector-protocol/fetch/resources/hello-world.txt, type: XHR
got overriden fetch body