cherry-pick(#29271): Revert "chore: remove fake error from expect calls (#28112)"

[playwrightmachine]

This PR cherry-picks the following commits:

• 622153d

[github-actions]

Test results for "tests 1"

5 flaky

⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/page-screenshot.spec.ts:642:5 › page screenshot animations › should stop animations that happen right before screenshot
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › components/splitView.spec.tsx:34:5 › should render sidebar first

21118 passed, 574 skipped
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Merge workflow run.

[github-actions]

Test results for "tests 2"

2 fatal errors, not part of any test

73 flaky

⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/browsercontext-viewport.spec.ts:143:12 › should drag with high dpi
⚠️ [chromium] › page/page-drag.spec.ts:53:5 › Drag and drop › should not send dragover on the first mousemove
⚠️ [chromium] › page/page-drag.spec.ts:246:5 › Drag and drop › should work if the drag event is captured but not canceled
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/locator-misc-1.spec.ts:28:3 › should hover when Node is removed
⚠️ [chromium] › page/page-drag.spec.ts:70:5 › Drag and drop › should work inside iframe
⚠️ [chromium] › page/page-drag.spec.ts:289:5 › Drag and drop › should work with the helper method
⚠️ [chromium] › page/page-mouse.spec.ts:186:3 › should trigger hover state on disabled button
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/page-screenshot.spec.ts:215:5 › page screenshot › should take fullPage screenshots
⚠️ [chromium] › page/page-set-input-files.spec.ts:132:3 › should upload large file with relative path
⚠️ [chromium] › page/retarget.spec.ts:350:3 › check retargeting
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/page-evaluate.spec.ts:507:3 › should transfer 100Mb of data from page to node.js
⚠️ [chromium] › library/inspector/cli-codegen-1.spec.ts:22:7 › cli codegen › should click
⚠️ [chromium] › library/inspector/cli-codegen-csharp.spec.ts:171:5 › should work with --save-har
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/page-event-request.spec.ts:110:3 › should report navigation requests and responses handled by service worker
⚠️ [firefox] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [firefox] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [firefox] › library/capabilities.spec.ts:257:3 › requestFullscreen
⚠️ [firefox] › library/emulation-focus.spec.ts:65:3 › should not affect mouse event target page
⚠️ [firefox] › library/video.spec.ts:351:5 › screencast › should capture navigation
⚠️ [firefox] › library/video.spec.ts:165:5 › screencast › should work with old options
⚠️ [firefox] › library/video.spec.ts:189:5 › screencast › should capture static page
⚠️ [firefox] › page/page-drag.spec.ts:34:5 › Drag and drop › should send the right events
⚠️ [firefox] › page/page-goto.spec.ts:431:3 › js redirect overrides url bar navigation
⚠️ [firefox] › page/frame-goto.spec.ts:46:3 › should continue after client redirect
⚠️ [firefox] › library/browsercontext-add-cookies.spec.ts:141:3 › should isolate persistent cookies
⚠️ [firefox] › library/browsercontext-locale.spec.ts:118:3 › should be isolated between contexts
⚠️ [firefox] › library/browsercontext-storage-state.spec.ts:76:3 › should round-trip through the file
⚠️ [firefox] › library/tracing.spec.ts:525:5 › should export trace concurrently to second navigation
⚠️ [firefox] › page/page-click-timeout-4.spec.ts:20:3 › should timeout waiting for stable position
⚠️ [firefox] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [firefox] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [firefox] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [firefox] › page/workers.spec.ts:106:3 › should clear upon navigation
⚠️ [firefox] › library/fetch-proxy.spec.ts:30:3 › context request should pick up proxy credentials
⚠️ [firefox] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/browsercontext-credentials.spec.ts:55:1 › should work with correct credentials @smoke
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/browsercontext-credentials.spec.ts:55:1 › should work with correct credentials @smoke
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/locator-misc-1.spec.ts:28:3 › should hover when Node is removed
⚠️ [chromium] › page/page-drag.spec.ts:70:5 › Drag and drop › should work inside iframe
⚠️ [chromium] › page/page-drag.spec.ts💯5 › Drag and drop › should cancel on escape
⚠️ [chromium] › page/page-mouse.spec.ts:221:3 › should tween mouse movement
⚠️ [chromium] › library/inspector/cli-codegen-2.spec.ts:518:7 › cli codegen › should fill tricky characters
⚠️ [chromium] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › library/inspector/cli-codegen-1.spec.ts:22:7 › cli codegen › should click
⚠️ [firefox] › library/emulation-focus.spec.ts:65:3 › should not affect mouse event target page
⚠️ [firefox] › page/frame-goto.spec.ts:46:3 › should continue after client redirect
⚠️ [webkit] › library/inspector/cli-codegen-3.spec.ts:444:7 › cli codegen › should generate getByAltText
⚠️ [webkit] › page/elementhandle-misc.spec.ts:27:3 › should hover when Node is removed
⚠️ [webkit] › page/page-drag.spec.ts:34:5 › Drag and drop › should send the right events
⚠️ [webkit] › library/browsercontext-reuse.spec.ts:206:1 › should reset mouse position
⚠️ [webkit] › library/browsercontext-viewport.spec.ts:143:12 › should drag with high dpi
⚠️ [webkit] › library/inspector/cli-codegen-1.spec.ts:158:7 › cli codegen › should work with TrustedTypes
⚠️ [webkit] › library/inspector/cli-codegen-1.spec.ts:425:7 › cli codegen › should emit single keyup on ArrowDown
⚠️ [webkit] › library/inspector/cli-codegen-3.spec.ts:531:7 › cli codegen › should consume pointer events
⚠️ [webkit] › library/inspector/cli-codegen-python-async.spec.ts:26:5 › should print the correct imports and context options
⚠️ [webkit] › page/page-request-continue.spec.ts:196:5 › post data › should compute content-length from post data
⚠️ [webkit] › library/browsercontext-reuse.spec.ts:50:1 › should reset serviceworker
⚠️ [webkit] › page/page-goto.spec.ts:277:3 › should fail when navigating to bad SSL after redirects
⚠️ [webkit] › library/tracing.spec.ts:243:5 › should not include trace resources from the previous chunks

1 interrupted

⚠️ [chromium] › library/inspector/pause.spec.ts:33:3 › should not reset timeouts

173981 passed, 7798 skipped, 23 did not run
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Merge workflow run.