chore: mirror testserver close rejecting callbacks

[Skn0tt]

Mirroring microsoft/playwright-vscode#702

[github-actions]

Test results for "MCP"

2432 passed, 116 skipped

---

Merge workflow run.

[github-actions]

Test results for "tests 1"

5 flaky

⚠️ [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-page] › page/page-event-request.spec.ts:182 › should return response body when Cross-Origin-Opener-Policy is set `@firefox-ubuntu-22.04-node18`
⚠️ [firefox-page] › page/page-wait-for-function.spec.ts:104 › should work with strict CSP policy `@firefox-ubuntu-22.04-node18`
⚠️ [installation tests] › playwright-cdn.spec.ts:43 › playwright cdn failover should work (https://cdn.playwright.dev) `@package-installations-windows-latest`
⚠️ [playwright-test] › ui-mode-test-attachments.spec.ts:102 › should linkify string attachments `@windows-latest-node18-2`

40316 passed, 787 skipped

---

Merge workflow run.