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[ci] Speed up package tests by enabling parallel execution #13601

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petebacondarwin merged 1 commit into from
Apr 20, 2026
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[ci] Speed up package tests by enabling parallel execution #13601

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3 changes: 2 additions & 1 deletion .github/workflows/test-and-check.yml
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Expand Up @@ -140,7 +140,8 @@ jobs:
if: steps.changes.outputs.everything_but_markdown == 'true' && matrix.suite == 'packages-and-tools'
# We skip @cloudflare/vitest-pool-workers tests in CI on Windows because they're very flaky. We still run the vitest-pool-workers-examples fixture, which is a comprehensive set of example tests and gives us a lot of confidence.
# The @cloudflare/vitest-pool-workers tests skipped are things like watch mode, which constantly times out probably due to the github runners in use.
run: pnpm run test:ci --log-order=stream --concurrency=1 --filter="./packages/*" ${{ matrix.os == 'windows-latest' && '--filter="!./packages/vitest-pool-workers"' || '' }}
# Package tests are well-isolated (separate processes, temp dirs, random ports, MSW mocks) and can safely run in parallel.
run: pnpm run test:ci --log-order=stream --filter="./packages/*" ${{ matrix.os == 'windows-latest' && '--filter="!./packages/vitest-pool-workers"' || '' }}
env:
NODE_OPTIONS: "--max_old_space_size=8192"
WRANGLER_LOG_PATH: ${{ runner.temp }}/wrangler-debug-logs/
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