fix(webview): adjust UserAgent test to work with mobile

[dcrousso]

iOS has the same UserAgent "prefix" as macOS, only adding Mobile/15E148 at the very end

[github-actions]

Test results for "tests 2"

15 failed
❌ [chromium-page] › page/page-basic.spec.ts:125 › should have sane user agent @msedge-dev-windows-latest
❌ [chromium-page] › page/page-basic.spec.ts:125 › should have sane user agent @msedge-windows-latest
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @tracing-firefox
❌ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:111 › should restore state from userDataDir @firefox-macos-15-large
❌ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:139 › should create userDataDir if it does not exist @firefox-macos-15-large
❌ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:180 › should have passed URL when launching with ignoreDefaultArgs: true @firefox-macos-15-large
❌ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:202 › should handle exception @firefox-macos-15-large
❌ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:246 › should connect to a browser with the default page @firefox-macos-15-large
❌ [firefox-library] › library/heap.spec.ts:203 › cycle handles @firefox-macos-15-large
❌ [firefox-library] › library/inspector/cli-codegen-csharp.spec.ts:202 › should not print context options method override in xunit if no options were passed @firefox-macos-15-large
❌ [firefox-library] › library/inspector/cli-codegen-csharp.spec.ts:208 › should print context options method override in xunit if options were passed @firefox-macos-15-large
❌ [firefox-library] › library/proxy.spec.ts:235 › should exclude patterns @firefox-macos-15-large
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @firefox-macos-15-large
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @firefox-windows-latest
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @firefox-macos-15-xlarge

35 flaky

⚠️ [chromium-library] › library/har-websocket.spec.ts:239 › should attach websocket messages for a still open websocket after stopping `@tracing-chromium`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@msedge-dev-windows-latest`
⚠️ [chromium-library] › library/chromium/chromium.spec.ts:299 › should report intercepted service worker requests in HAR `@chrome-ubuntu-22.04`
⚠️ [chromium-library] › library/har-websocket.spec.ts:235 › should attach websocket messages `@chrome-ubuntu-22.04`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@chrome-ubuntu-22.04`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@msedge-windows-latest`
⚠️ [chromium-library] › library/browsertype-connect.spec.ts:189 › launchServer › should ignore page.pause when headed `@chromium-macos-15-large`
⚠️ [chromium-library] › library/heap.spec.ts:203 › cycle handles `@chromium-macos-15-large`
⚠️ [chromium-library] › library/video.spec.ts:645 › screencast › should capture full viewport `@chromium-macos-15-xlarge`
⚠️ [chromium-library] › library/video.spec.ts:717 › screencast › should work with video+trace `@chromium-macos-15-xlarge`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@chrome-windows-latest`
⚠️ [chromium-library] › library/chromium/chromium.spec.ts:299 › should report intercepted service worker requests in HAR `@chrome-beta-ubuntu-22.04`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@chrome-beta-ubuntu-22.04`
⚠️ [chromium-library] › library/browsertype-connect.spec.ts:686 › launchServer › should filter launch options `@chrome-macos-latest`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@chrome-macos-latest`
⚠️ [firefox-page] › page/page-emulate-media.spec.ts:144 › should keep reduced motion and color emulation after reload `@tracing-firefox`
⚠️ [firefox-library] › library/browsertype-connect.spec.ts:267 › run-server › should send default User-Agent and X-Playwright-Browser headers with connect request `@firefox-macos-15-large`
⚠️ [firefox-library] › library/browsertype-connect.spec.ts:792 › run-server › should upload a folder `@firefox-macos-15-large`
⚠️ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:209 › should fire close event for a persistent context `@firefox-macos-15-large`
⚠️ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:253 › should support har option `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-csharp.spec.ts:43 › should print the correct context options for custom settings `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-csharp.spec.ts:202 › should not print context options method override in nunit if no options were passed `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-csharp.spec.ts:202 › should not print context options method override in mstest if no options were passed `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-java.spec.ts:125 › should print a valid basic program in junit `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-javascript.spec.ts:84 › should save the codegen output to a file if specified `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-pytest.spec.ts:49 › should save the codegen output to a file if specified `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-python-async.spec.ts:80 › should save the codegen output to a file if specified `@firefox-macos-15-large`
⚠️ [firefox-library] › library/logger.spec.ts:34 › should log context-level `@firefox-macos-15-large`
⚠️ [firefox-library] › library/proxy.spec.ts:125 › should allow bypassing localhost requests `@firefox-macos-15-large`
⚠️ [firefox-library] › library/proxy.spec.ts:144 › should authenticate `@firefox-macos-15-large`
⚠️ [firefox-library] › library/tracing.spec.ts:210 › should respect tracesDir and name `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-3.spec.ts:224 › cli codegen › should generate frame locators (4) `@firefox-windows-latest`
⚠️ [webkit-library] › library/browsertype-connect.spec.ts:792 › launchServer › should upload a folder `@webkit-macos-15-large`
⚠️ [webkit-library] › library/global-fetch.spec.ts:56 › should support global userAgent option `@webkit-macos-15-large`
⚠️ [android-page] › page/page-goto.spec.ts:451 › should disable timeout when its set to 0

104497 passed, 4403 skipped

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Merge workflow run.

[dcrousso]

im gonna investigate the issue with tests/page/page-set-content.spec.ts:153:3 › should handle timeout properly 2 separately since i can reproduce that locally without these chanages

[github-actions]

Test results for "MCP"

7380 passed, 1122 skipped

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Merge workflow run.

[github-actions]

Test results for "tests 1"

3 failed
❌ [chromium-library] › library/browsercontext-add-init-script.spec.ts:28 › should work without navigation, after all bindings @chromium-ubuntu-22.04-arm-node20
❌ [chromium-library] › library/browsercontext-expose-function.spec.ts:77 › should be callable from-inside addInitScript @chromium-ubuntu-22.04-arm-node20
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @firefox-ubuntu-22.04-node20

2 flaky

⚠️ [chromium-library] › library/popup.spec.ts:260 › should not throw when click closes popup `@chromium-ubuntu-22.04-node20`
⚠️ [firefox-library] › library/inspector/cli-codegen-3.spec.ts:224 › cli codegen › should generate frame locators (4) `@firefox-ubuntu-22.04-node20`

48927 passed, 1142 skipped

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Merge workflow run.

[dcrousso]

test timeout fixed in #41416