cherry-pick(#30798): test(esm): fix import attribute tests

[playwrightmachine]

This PR cherry-picks the following commits:

• c8c3700

[github-actions]

Test results for "tests 1"

2 failed
❌ [playwright-test] › esm.spec.ts:38:5 › should support import assertions
❌ [playwright-test] › esm.spec.ts:60:5 › should support import attributes

27283 passed, 671 skipped
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Merge workflow run.

[github-actions]

Test results for "tests 2"

4 fatal errors, not part of any test
14 failed
❌ [chromium-library] › library/capabilities.spec.ts:99:3 › should play audio @smoke
❌ [chromium-library] › library/capabilities.spec.ts:133:3 › should not crash on page with mp4 @smoke
❌ [chromium-library] › library/capabilities.spec.ts:99:3 › should play audio @smoke
❌ [chromium-library] › library/capabilities.spec.ts:133:3 › should not crash on page with mp4 @smoke
❌ [chromium-library] › library/capabilities.spec.ts:99:3 › should play audio @smoke
❌ [chromium-library] › library/capabilities.spec.ts:133:3 › should not crash on page with mp4 @smoke
❌ [chromium-library] › library/capabilities.spec.ts:99:3 › should play audio @smoke
❌ [chromium-library] › library/capabilities.spec.ts:133:3 › should not crash on page with mp4 @smoke
❌ [chromium-library] › library/capabilities.spec.ts:99:3 › should play audio @smoke
❌ [chromium-library] › library/capabilities.spec.ts:133:3 › should not crash on page with mp4 @smoke
❌ [firefox-library] › library/capabilities.spec.ts:99:3 › should play audio @smoke
❌ [firefox-library] › library/inspector/cli-codegen-2.spec.ts:340:7 › cli codegen › should record open in a new tab with url
❌ [firefox-library] › library/inspector/cli-codegen-2.spec.ts:340:7 › cli codegen › should record open in a new tab with url
❌ [webkit-library] › library/signals.spec.ts:62:7 › signals › should report browser close signal 2

49 flaky

⚠️ [chromium-page] › page/page-set-input-files.spec.ts:157:3 › should upload large file with relative path
⚠️ [chromium-library] › library/browsercontext-viewport.spec.ts:143:12 › should drag with high dpi
⚠️ [chromium-library] › library/inspector/cli-codegen-1.spec.ts:159:7 › cli codegen › should work with TrustedTypes
⚠️ [chromium-library] › library/tap.spec.ts:23:3 › should send all of the correct events @smoke
⚠️ [chromium-page] › page/page-drag.spec.ts:25:5 › Drag and drop › should work @smoke
⚠️ [chromium-library] › library/browsercontext-viewport.spec.ts:143:12 › should drag with high dpi
⚠️ [chromium-library] › library/inspector/cli-codegen-1.spec.ts:451:7 › cli codegen › should check
⚠️ [chromium-library] › library/inspector/cli-codegen-1.spec.ts:790:7 › cli codegen › should click button with nested div
⚠️ [chromium-page] › page/page-click.spec.ts:232:3 › should click on checkbox input and toggle
⚠️ [chromium-page] › page/page-drag.spec.ts:34:5 › Drag and drop › should send the right events
⚠️ [chromium-library] › library/trace-viewer.spec.ts:893:1 › should display waitForLoadState even if did not wait for it
⚠️ [firefox-page] › page/frame-goto.spec.ts:46:3 › should continue after client redirect
⚠️ [firefox-page] › page/page-click.spec.ts:850:3 › should not hang when frame is detached
⚠️ [firefox-library] › library/tracing.spec.ts:412:14 › should produce screencast frames scale
⚠️ [firefox-page] › page/page-mouse.spec.ts:166:3 › should trigger hover state
⚠️ [firefox-library] › library/inspector/cli-codegen-1.spec.ts:159:7 › cli codegen › should work with TrustedTypes
⚠️ [firefox-page] › page/locator-misc-1.spec.ts:28:3 › should hover when Node is removed
⚠️ [firefox-page] › page/page-drag.spec.ts:178:5 › Drag and drop › should respect the drop effect
⚠️ [firefox-page] › page/page-mouse.spec.ts:193:3 › should trigger hover state with removed window.Node
⚠️ [firefox-library] › library/emulation-focus.spec.ts:190:12 › should not fire blur events when interacting with more than one page/context
⚠️ [firefox-library] › library/inspector/cli-codegen-2.spec.ts:169:7 › cli codegen › should clear files
⚠️ [firefox-page] › page/frame-goto.spec.ts:46:3 › should continue after client redirect
⚠️ [firefox-page] › page/page-click.spec.ts:99:3 › should click the 1x1 div
⚠️ [firefox-page] › page/page-click.spec.ts:850:3 › should not hang when frame is detached
⚠️ [firefox-page] › page/page-close.spec.ts:29:3 › should not accept dialog after close
⚠️ [firefox-page] › page/page-click.spec.ts:850:3 › should not hang when frame is detached
⚠️ [firefox-page] › page/page-click.spec.ts:850:3 › should not hang when frame is detached
⚠️ [firefox-library] › library/tracing.spec.ts:412:14 › should produce screencast frames crop
⚠️ [firefox-page] › page/page-click.spec.ts:850:3 › should not hang when frame is detached
⚠️ [chromium-page] › page/page-add-locator-handler.spec.ts:90:5 › should work with locator.hover()
⚠️ [chromium-page] › page/page-drag.spec.ts:53:5 › Drag and drop › should not send dragover on the first mousemove
⚠️ [chromium-page] › page/page-drag.spec.ts:272:5 › Drag and drop › should work if a frame is stalled
⚠️ [chromium-library] › library/inspector/cli-codegen-1.spec.ts:23:7 › cli codegen › should click
⚠️ [firefox-page] › page/frame-goto.spec.ts:46:3 › should continue after client redirect
⚠️ [webkit-page] › page/page-drag.spec.ts💯5 › Drag and drop › should cancel on escape
⚠️ [webkit-library] › library/emulation-focus.spec.ts:202:12 › should trigger hover state concurrently
⚠️ [webkit-library] › library/inspector/cli-codegen-1.spec.ts:159:7 › cli codegen › should work with TrustedTypes
⚠️ [webkit-library] › library/inspector/cli-codegen-1.spec.ts:228:7 › cli codegen › should fill
⚠️ [webkit-library] › library/inspector/cli-codegen-1.spec.ts:426:7 › cli codegen › should emit single keyup on ArrowDown
⚠️ [webkit-library] › library/inspector/cli-codegen-3.spec.ts:473:7 › cli codegen › should generate getByLabel
⚠️ [webkit-page] › page/page-drag.spec.ts:272:5 › Drag and drop › should work if a frame is stalled
⚠️ [webkit-library] › library/browsercontext-viewport.spec.ts:143:12 › should drag with high dpi
⚠️ [webkit-library] › library/emulation-focus.spec.ts:202:12 › should trigger hover state concurrently
⚠️ [webkit-library] › library/inspector/cli-codegen-1.spec.ts:553:7 › cli codegen › should select
⚠️ [webkit-library] › library/inspector/cli-codegen-2.spec.ts:276:7 › cli codegen › should handle dialogs
⚠️ [webkit-library] › library/inspector/cli-codegen-3.spec.ts:473:7 › cli codegen › should generate getByLabel
⚠️ [webkit-library] › library/inspector/cli-codegen-3.spec.ts:562:7 › cli codegen › should assert value
⚠️ [webkit-page] › page/page-click.spec.ts:232:3 › should click on checkbox input and toggle
⚠️ [webkit-page] › page/workers.spec.ts:106:3 › should clear upon navigation

168970 passed, 7553 skipped, 2666 did not run
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Merge workflow run.

[mxschmitt]

lets not cherry-pick a test-only change.