docs: fix copy/paste error from test.fail

[msorens]

The docs for test.skip had some copy/paste errors that originated from test.fail.
This PR corrects the test.skip documentation; the erroneous portions are highlighted:

[github-actions]

Test results for "tests 1"

8 flaky

⚠️ [firefox-library] › library/inspector/cli-codegen-1.spec.ts:1079:7 › cli codegen › should not throw csp directive violation errors @firefox-ubuntu-22.04-node18
⚠️ [firefox-page] › page/page-event-request.spec.ts:182:3 › should return response body when Cross-Origin-Opener-Policy is set @firefox-ubuntu-22.04-node18
⚠️ [playwright-test] › ui-mode-test-watch.spec.ts:145:5 › should watch all @ubuntu-latest-node18-1
⚠️ [playwright-test] › ui-mode-test-watch.spec.ts:145:5 › should watch all @ubuntu-latest-node20-1
⚠️ [playwright-test] › ui-mode-test-watch.spec.ts:145:5 › should watch all @ubuntu-latest-node22-1
⚠️ [playwright-test] › ui-mode-test-watch.spec.ts:145:5 › should watch all @ubuntu-latest-node24-1
⚠️ [webkit-library] › library/video.spec.ts:441:5 › screencast › should work for popups @webkit-ubuntu-22.04-node18
⚠️ [playwright-test] › ui-mode-test-watch.spec.ts:145:5 › should watch all @windows-latest-node18-1

46759 passed, 926 skipped
✔️✔️✔️

Merge workflow run.

[mxschmitt]

@msorens please sign the CLA - otherwise we are not able to merge. Thanks!

[msorens]

@microsoft-github-policy-service agree