test: add failing test for request interception with sync XHRs (#4350)
test: add failing test for request interception with sync XHRs (#4350)

`Network.requestWillBeSent` is not issued for the redirect inside
sync XHRs.

References #4337.


puppeteer/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer,GoogleChrome/puppeteer,GoogleChrome/puppeteer,puppeteer/puppeteer