Use specific assertions
Similar to #19865
r? jdm
Note: Should I squash all the commits into one commit?
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because it should not break anything
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Added --progress flag to test-perf git commands
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Adding a `--progress` flag to git commands in test-perf to try to avoid the timeouts we're seeing at http://build.servo.org/builders/linux-nightly/builds/581/steps/test/logs/stdio
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<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes do not require tests because this is test infrastructure
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WPT tests: Remove custom cache script, use trickle option instead
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Follow up on https://github.com/servo/servo/pull/19350 @jdm
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<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [ ] `./mach build -d` does not report any errors
- [ ] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).
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- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because _____
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style: make the try_match_ident_ignore_ascii_case macro actually return the error.
This allows it to be used as an expression, which I'd like to do very soon.
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