test: unflake browser._launchServer tests

[Skn0tt]

Closing the launched server has an impact on other tests in the worker using the same browser.

[github-actions]

Test results for "tests 1"

10 flaky

⚠️ [chromium-library] › library/page-clock.frozen.spec.ts:19 › clock should be frozen `@chromium-ubuntu-22.04-node18`
⚠️ [chromium-library] › library/trace-viewer.spec.ts:1179 › should update highlight when typing locator `@chromium-ubuntu-22.04-node18`
⚠️ [chromium-library] › library/page-clock.frozen.spec.ts:19 › clock should be frozen `@chromium-ubuntu-22.04-node20`
⚠️ [chromium-library] › library/page-clock.frozen.spec.ts:19 › clock should be frozen `@chromium-ubuntu-22.04-node22`
⚠️ [chromium-library] › library/page-clock.frozen.spec.ts:19 › clock should be frozen `@chromium-ubuntu-22.04-node24`
⚠️ [firefox-library] › library/inspector/cli-codegen-1.spec.ts:1079 › cli codegen › should not throw csp directive violation errors `@firefox-ubuntu-22.04-node18`
⚠️ [firefox-library] › library/inspector/cli-codegen-pick-locator.spec.ts:23 › should inspect locator `@firefox-ubuntu-22.04-node18`
⚠️ [chromium-library] › library/inspector/recorder-api.spec.ts:49 › should click `@ubuntu-22.04-chromium-tip-of-tree`
⚠️ [webkit-library] › library/inspector/cli-codegen-2.spec.ts:24 › cli codegen › should contain open page `@webkit-ubuntu-22.04-node18`
⚠️ [webkit-page] › page/page-set-input-files.spec.ts:38 › should upload a folder `@webkit-ubuntu-22.04-node18`

46609 passed, 801 skipped

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Merge workflow run.