Cache test should use network response time for expires base time

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#12,608 opened on Jun 2, 2021 0 comments 0 reactions 1 assignee Claimed by @brendankenny View on GitHub

P1.5

Description

Date.now is flaky / isn't totes accurate / doesn't play well with artifact serialization

https://github.com/GoogleChrome/lighthouse/pull/12606#issuecomment-853366426

Kinda hard to reason about, but we think this means that the cache ttl audit is effectively commonly disabled.

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