Tests that cache max-age is capped for prevalent resources.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS loadedUrl is "http://localhost:8000/resourceLoadStatistics/resources/echo-query.py?value=1234"
PASS loadedUrl is "http://localhost:8000/resourceLoadStatistics/resources/echo-query.py?value=4321"
PASS loadedUrl is "http://localhost:8000/resourceLoadStatistics/resources/echo-query.py?value="
PASS loadedUrl is "http://localhost:8000/resourceLoadStatistics/resources/echo-query.py?value="
PASS loadedUrl is "http://localhost:8000/resourceLoadStatistics/resources/echo-query.py?value="
PASS successfullyParsed is true

TEST COMPLETE