test: exclude the overhead benchmark from the coverage job - #7
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PCOV instrumentation inflates wall-clock timings, so the GR-8 2% budget flaked in the coverage job (2.01-2.06%) on CI-only changes. The benchmark is now in the 'benchmark' group and excluded there; the uninstrumented PHP matrix jobs still enforce the budget.
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PCOV instrumentation inflates wall-clock timings, so
OverheadBenchmarkTest(GR-8 2% budget) flaked in the coverage job (2.01–2.06%) on CI-only changes such as #4.#[Group('benchmark')].composer test:coverage) with--exclude-group benchmark.The uninstrumented PHP 8.2–8.4 matrix jobs (
coverage: none) still run and enforce the budget.