1) [chromium] › test/mobile.spec.ts:30:7 › Mobile › The layout should be more compact on the file browser page Error: Screenshot comparison failed: 371 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/mobile.spec.ts-snapshots/tree-chromium-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-mobile-Mobile-The-lay-60036-ct-on-the-file-browser-page-chromium/tree-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-mobile-Mobile-The-lay-60036-ct-on-the-file-browser-page-chromium/tree-diff.png 36 | await page.waitForSelector('#top-panel-wrapper', { state: 'hidden' }); 37 | > 38 | expect(await page.screenshot()).toMatchSnapshot('tree.png', { | ^ 39 | maxDiffPixels: 300, 40 | }); 41 | }); at /home/runner/work/notebook/notebook/ui-tests/test/mobile.spec.ts:38:37

2) [chromium] › test/notebook.spec.ts:24:7 › Notebook › Title should be rendered ───────────────── Error: "apiRequestContext.fetch: Target page, context or browser has been closed Call log: - → POST http://localhost:8888/api/sessions?1733262358510 - user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/130.0.6723.31 Safari/537.36 - accept: */* - accept-encoding: gzip,deflate,br - accept-language: en-US - content-type: text/plain;charset=UTF-8 - cookie: username-localhost-8888="2|1:0|10:1733262355|23:username-localhost-8888|200:eyJ1c2VybmFtZSI6ICI2MzRjMjE2MDkxYWQ0Y2JjOWM5YWU3Yjc0MGFlNzljNiIsICJuYW1lIjogIkFub255bW91cyBQYXNpcGhhZSIsICJkaXNwbGF5X25hbWUiOiAiQW5vbnltb3VzIFBhc2lwaGFlIiwgImluaXRpYWxzIjogIkFQIiwgImNvbG9yIjogbnVsbH0=|eab59703961558eb83223295ae204d4881159daaa53924f42f7ca7239a00fa6e"; _xsrf=2|7f2be2ee|2e225de74558f865bdc728f3f381cbcf|1733262355 - origin: http://localhost:8888 - referer: http://localhost:8888/notebooks/test-notebook-Notebook-Title-should-be-rendered-chromium/example.ipynb - x-xsrftoken: 2|7f2be2ee|2e225de74558f865bdc728f3f381cbcf|1733262355 - sec-ch-ua: "Chromium";v="130", "HeadlessChrome";v="130", "Not?A_Brand";v="99" - sec-ch-ua-mobile: ?0 - sec-ch-ua-platform: "Linux" - content-length: 173 " while running route callback. Consider awaiting `await page.unrouteAll({ behavior: 'ignoreErrors' })` before the end of the test to ignore remaining routes in flight. at /home/runner/work/notebook/notebook/ui-tests/node_modules/@jupyterlab/galata/src/galata.ts:961:49

1) [firefox] › test/filebrowser.spec.ts:32:7 › File Browser › Select one file ──────────────────── Error: expect(locator).toBeVisible() Locator: getByRole('toolbar').getByText('Download') Expected: visible Received: hidden Call log: - expect.toBeVisible with timeout 5000ms - waiting for getByRole('toolbar').getByText('Download') 39 | 40 | ['Rename', 'Delete', 'Open', 'Download', 'Delete'].forEach(async (text) => { > 41 | expect(toolbar.getByText(text)).toBeVisible(); | ^ 42 | }); 43 | }); 44 | at forEach (/home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:41:39) at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:40:56

2) [firefox] › test/filebrowser.spec.ts:45:7 › File Browser › Select files and folders ─────────── Error: expect(locator).toBeHidden() Locator: getByRole('toolbar').getByText('Open') Expected: hidden Received: visible Call log: - expect.toBeHidden with timeout 5000ms - waiting for getByRole('toolbar').getByText('Open') 54 | 55 | expect(toolbar.getByText('Rename')).toBeHidden(); > 56 | expect(toolbar.getByText('Open')).toBeHidden(); | ^ 57 | expect(toolbar.getByText('Delete')).toBeVisible(); 58 | }); 59 | at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:56:39

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

2 flaky [chromium] › test/mobile.spec.ts:30:7 › Mobile › The layout should be more compact on the file browser page [chromium] › test/notebook.spec.ts:24:7 › Notebook › Title should be rendered ────────────────── 34 passed (1.8m)