The two tests that send sixteen thousand cookies checked the answer time
on the wall clock, which a busy host can push past the bound. They no
longer check how long the answer took. The first is renamed to say what
it checks: a 431 before the Core Rule Set reads the request.
TestARefusedRequestDoesNotWaitForASlowGeoJS still checks that a refusal
over the header limits waits on nothing.
Model: opus-5-5
sneak