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?1719822999194 - user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/127.0.6533.17 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|10:1719822995|23:username-localhost-8888|196:eyJ1c2VybmFtZSI6ICI0MjNiYjM5YTE2YzA0NjQ3OTEzNmUzNDkxYjU2ZjE1MSIsICJuYW1lIjogIkFub255bW91cyBJb2Nhc3RlIiwgImRpc3BsYXlfbmFtZSI6ICJBbm9ueW1vdXMgSW9jYXN0ZSIsICJpbml0aWFscyI6ICJBSSIsICJjb2xvciI6IG51bGx9|b7e5c375f9f20cd8f2665189b12ba928171b4ade30312869707c9ab6c608dcc9; _xsrf=2|17d81cf4|b87ec93100161228c205f07bee116c28|1719822995 - origin: http://localhost:8888 - referer: http://localhost:8888/notebooks/test-notebook-Notebook-Title-should-be-rendered-chromium/example.ipynb - x-xsrftoken: 2|17d81cf4|b87ec93100161228c205f07bee116c28|1719822995 - sec-ch-ua: "Not)A;Brand";v="99", "HeadlessChrome";v="127", "Chromium";v="127" - 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:925:49

1) [firefox] › test/filebrowser.spec.ts:31:7 › File Browser › Select one file ──────────────────── Error: expect(locator).toBeVisible() Locator: getByRole('toolbar').getByText('Open') Expected: visible Received: hidden Call log: - expect.toBeVisible with timeout 5000ms - waiting for getByRole('toolbar').getByText('Open') 37 | 38 | ['Rename', 'Delete', 'Open', 'Download', 'Delete'].forEach(async (text) => { > 39 | expect(toolbar.getByText(text)).toBeVisible(); | ^ 40 | }); 41 | }); 42 | at forEach (/home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:39:39) at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:38:56

2) [firefox] › test/filebrowser.spec.ts:43:7 › 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') 53 | expect(toolbar.getByText('Rename')).toBeHidden(); 54 | expect(toolbar.getByText('Open')).toBeHidden(); > 55 | expect(toolbar.getByText('Delete')).toBeVisible(); | ^ 56 | }); 57 | 58 | test('Select files and open', async ({ page, tmpPath }) => { at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:55:41

1) [firefox] › test/menus.spec.ts:37:9 › Notebook Menus › Open menu item File ──────────────────── Error: Screenshot comparison failed: 1 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-firefox-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-menus-Notebook-Menus-Open-menu-item-File-firefox/opened-menu-file-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-menus-Notebook-Menus-Open-menu-item-File-firefox/opened-menu-file-diff.png 45 | const menu = await page.menu.getOpenMenu(); 46 | expect(menu).toBeDefined(); > 47 | expect(await menu?.screenshot()).toMatchSnapshot(imageName.toLowerCase()); | ^ 48 | }); 49 | }); 50 | }); at /home/runner/work/notebook/notebook/ui-tests/test/menus.spec.ts:47:40

1) [firefox] › test/menus.spec.ts:37:9 › Notebook Menus › Open menu item File ──────────────────── Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 1 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/menus.spec.ts-snapshots/opened-menu-file-firefox-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-menus-Notebook-Menus-Open-menu-item-File-firefox-retry1/opened-menu-file-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-menus-Notebook-Menus-Open-menu-item-File-firefox-retry1/opened-menu-file-diff.png 45 | const menu = await page.menu.getOpenMenu(); 46 | expect(menu).toBeDefined(); > 47 | expect(await menu?.screenshot()).toMatchSnapshot(imageName.toLowerCase()); | ^ 48 | }); 49 | }); 50 | }); at /home/runner/work/notebook/notebook/ui-tests/test/menus.spec.ts:47:40

2) [firefox] › test/filebrowser.spec.ts:31:7 › File Browser › Select one file ──────────────────── Error: expect(locator).toBeVisible() Locator: getByRole('toolbar').getByText('Open') Expected: visible Received: hidden Call log: - expect.toBeVisible with timeout 5000ms - waiting for getByRole('toolbar').getByText('Open') 37 | 38 | ['Rename', 'Delete', 'Open', 'Download', 'Delete'].forEach(async (text) => { > 39 | expect(toolbar.getByText(text)).toBeVisible(); | ^ 40 | }); 41 | }); 42 | at forEach (/home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:39:39) at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:38:56

3) [firefox] › test/filebrowser.spec.ts:43:7 › 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') 53 | expect(toolbar.getByText('Rename')).toBeHidden(); 54 | expect(toolbar.getByText('Open')).toBeHidden(); > 55 | expect(toolbar.getByText('Delete')).toBeVisible(); | ^ 56 | }); 57 | 58 | test('Select files and open', async ({ page, tmpPath }) => { at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:55:41

Process completed with exit code 1.

1 flaky [chromium] › test/notebook.spec.ts:24:7 › Notebook › Title should be rendered ────────────────── 34 passed (1.7m)

2 flaky [firefox] › test/filebrowser.spec.ts:31:7 › File Browser › Select one file ───────────────────── [firefox] › test/filebrowser.spec.ts:43:7 › File Browser › Select files and folders ──────────── 33 passed (2.0m)