7h3Rabbit

Remove Internet access requirement to run local Tests

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### Feature/improvement Today we require Internet access even for otherwise local tests. This is to get latest information for that specific test. For example CSS test requires access to: https://developer.mozilla.org/en-US/docs/Web/CSS/Reference...

SRI not included in review if CSP-ONLY is not set

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### URL https://webperf.se ### Webperf_core version lastest ### What environment are you running? - [X] Using GitHub Actions - [ ] Using Docker Image from Dock Hub - [ ]...

example call: `python default.py -r -t 1 -u https://webperf.se -o result.json` Waiting on feedback on this change in Slack channel

### Feature/improvement We indirectly inherit dependencies from browsertime (read: Sitespeed) today but we have no automatic way of ensuring we use same version when sitespeed is updated. - In [https://github.com/sitespeedio/sitespeed.io/blob/v34.11.0/package.json](https://github.com/sitespeedio/sitespeed.io/blob/v34.11.0/package.json)...

--firefox.includeResponseBodies html not working

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### Have you read the documentation? - [X] Yes, I've read the [how to make a reproducable bug guide](https://www.sitespeed.io/documentation/sitespeed.io/bug-report/) - [X] Yes, I've read the [how to debug my script...

We should enable our test suite to be run manually as we rely on sitespeed@latest (that will change over time). Latest failed tests will success if run again as it...

### URL ... ### Webperf_core version 2025.10.0 ### What environment are you running? - [x] Using GitHub Actions - [ ] Using Docker Image from Dock Hub - [ ]...