tests(lantern): remove Speedline from Lantern unit test for now

GoogleChrome / lighthouse

Automated auditing, performance metrics, and best practices for the web.

https://developer.chrome.com/docs/lighthouse/overview/

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tests(lantern): remove Speedline from Lantern unit test for now #16060

Closed connorjclark closed 2 weeks ago

connorjclark commented 2 weeks ago

ref https://github.com/GoogleChrome/lighthouse/issues/15841

Lantern expects to be given the result of running Speedline to determine SpeedIndex w/ optimistic mode. Ideally Lantern calls that library itself, but currently left to callers. Since there is no plan I'm aware of to include SpeedIndex in RPP, for now we can defer moving/using Speedline inside Lantern since only Lighthouse needs it. saves some work.