Unfortunately, due to Qt and WebKit limitation, this is technically
clearing all the cache used by every web page instance. It is the
best we can have right now.
https://github.com/ariya/phantomjs/issues/10357
The HTTP server launched by the test runner has a new endpoint called
/echo. This simply echoes back some information (current on the made
request, in the future it will be expanded to further information)
formatted as JSON. This echo system facilitates easy testing for request
header manipulation feature.
https://github.com/ariya/phantomjs/issues/12439
The server runs on port 9180 and serves the content from test/www
directory. Any tests can use this base URL to load test content and
to exercise certain PhantomJS API.
https://github.com/ariya/phantomjs/issues/12439