1) [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?1736247708515 - 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|10:1736247705|23:username-localhost-8888|200:eyJ1c2VybmFtZSI6ICI0NjNlOTU0OWE3Nzg0OGY3YmM0NGJjMTAzNjlmOTE3NiIsICJuYW1lIjogIkFub255bW91cyBHYW55bWVkZSIsICJkaXNwbGF5X25hbWUiOiAiQW5vbnltb3VzIEdhbnltZWRlIiwgImluaXRpYWxzIjogIkFHIiwgImNvbG9yIjogbnVsbH0=|6e4d9cab6d872ff983f00b161fccd667368cb9404a9108c18ea39b3ce297239c"; _xsrf=2|80913312|34fb80801da86f3a784f941a26d94e89|1736247705 - origin: http://localhost:8888 - referer: http://localhost:8888/notebooks/test-notebook-Notebook-Title-should-be-rendered-chromium/example.ipynb - x-xsrftoken: 2|80913312|34fb80801da86f3a784f941a26d94e89|1736247705 - 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).toBeVisible() Locator: getByRole('toolbar').getByText('Delete') Expected: visible Received: hidden Call log: - expect.toBeVisible with timeout 5000ms - waiting for getByRole('toolbar').getByText('Delete') 55 | expect(toolbar.getByText('Rename')).toBeHidden(); 56 | expect(toolbar.getByText('Open')).toBeHidden(); > 57 | expect(toolbar.getByText('Delete')).toBeVisible(); | ^ 58 | }); 59 | 60 | test('Select files and open', async ({ page, tmpPath }) => { at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:57:41

3) [firefox] › 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?1736247704697 - user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 - accept: */* - accept-encoding: gzip, deflate, br, zstd - host: localhost:8888 - accept-language: en-US - content-type: text/plain;charset=UTF-8 - content-length: 172 - referer: http://localhost:8888/notebooks/test-notebook-Notebook-Title-should-be-rendered-firefox/example.ipynb - x-xsrftoken: 2|c71b06f8|11a4b3974327d2170026af79496c9849|1736247701 - origin: http://localhost:8888 - sec-fetch-dest: empty - sec-fetch-mode: cors - sec-fetch-site: same-origin - connection: keep-alive - cookie: username-localhost-8888="2|1:0|10:1736247701|23:username-localhost-8888|204:eyJ1c2VybmFtZSI6ICJjMTE2Njg4MjhiMWE0ZjEwOThjZDcxZTIwMTMwNzNiMCIsICJuYW1lIjogIkFub255bW91cyBNZWdhY2xpdGUiLCAiZGlzcGxheV9uYW1lIjogIkFub255bW91cyBNZWdhY2xpdGUiLCAiaW5pdGlhbHMiOiAiQU0iLCAiY29sb3IiOiBudWxsfQ==|33fddf91d2c084307943b506d9cc19360199f53dfcc6be9d088cca4efef56eb4"; _xsrf=2|c71b06f8|11a4b3974327d2170026af79496c9849|1736247701 " 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

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

1 flaky [chromium] › test/notebook.spec.ts:24:7 › Notebook › Title should be rendered ────────────────── 35 passed (1.8m)