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?1725611242679 - 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|10:1725611239|23:username-localhost-8888|184:eyJ1c2VybmFtZSI6ICIxNWJlZDI2NGZkMzI0ZWE3OWVmNjEzODU1NjYyZTEzMyIsICJuYW1lIjogIkFub255bW91cyBJbyIsICJkaXNwbGF5X25hbWUiOiAiQW5vbnltb3VzIElvIiwgImluaXRpYWxzIjogIkFJIiwgImNvbG9yIjogbnVsbH0=|8a4df0f32c1502ef761ed5e6ba26a4ee494d430367f725a88c79e5483c32949d"; _xsrf=2|9d011299|7bdba2b9634a33356235ae5d04d3e8bc|1725611239 - origin: http://localhost:8888 - referer: http://localhost:8888/notebooks/test-notebook-Notebook-Title-should-be-rendered-chromium/example.ipynb - x-xsrftoken: 2|9d011299|7bdba2b9634a33356235ae5d04d3e8bc|1725611239 - 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) [chromium] › test/mobile.spec.ts:30:7 › Mobile › The layout should be more compact on the file browser page Error: Screenshot comparison failed: 456 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 | }); 40 | 41 | test('The layout should be more compact on the notebook page', async ({ at /home/runner/work/notebook/notebook/ui-tests/test/mobile.spec.ts:38:37

1) [chromium] › test/mobile.spec.ts:30:7 › Mobile › The layout should be more compact on the file browser page Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 456 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-retry1/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-retry1/tree-diff.png 36 | await page.waitForSelector('#top-panel-wrapper', { state: 'hidden' }); 37 | > 38 | expect(await page.screenshot()).toMatchSnapshot('tree.png'); | ^ 39 | }); 40 | 41 | test('The layout should be more compact on the notebook page', async ({ at /home/runner/work/notebook/notebook/ui-tests/test/mobile.spec.ts:38:37

2) [chromium] › test/notebook.spec.ts:103:7 › Notebook › Open table of content left panel ──────── Error: Screenshot comparison failed: 758 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/notebook.spec.ts-snapshots/toc-left-panel-chromium-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-notebook-Notebook-Open-table-of-content-left-panel-chromium/toc-left-panel-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-notebook-Notebook-Open-table-of-content-left-panel-chromium/toc-left-panel-diff.png 130 | const imageName = 'toc-left-panel.png'; 131 | > 132 | expect(await panel.screenshot()).toMatchSnapshot(imageName); | ^ 133 | }); 134 | 135 | test('Open notebook tools right panel', async ({ page, tmpPath }) => { at /home/runner/work/notebook/notebook/ui-tests/test/notebook.spec.ts:132:38

2) [chromium] › test/notebook.spec.ts:103:7 › Notebook › Open table of content left panel ──────── Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 758 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/notebook.spec.ts-snapshots/toc-left-panel-chromium-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-notebook-Notebook-Open-table-of-content-left-panel-chromium-retry1/toc-left-panel-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-notebook-Notebook-Open-table-of-content-left-panel-chromium-retry1/toc-left-panel-diff.png 130 | const imageName = 'toc-left-panel.png'; 131 | > 132 | expect(await panel.screenshot()).toMatchSnapshot(imageName); | ^ 133 | }); 134 | 135 | test('Open notebook tools right panel', async ({ page, tmpPath }) => { at /home/runner/work/notebook/notebook/ui-tests/test/notebook.spec.ts:132:38

3) [chromium] › test/settings.spec.ts:23:7 › Settings › Should be persisted after reloading the page Error: Screenshot comparison failed: 501 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/settings.spec.ts-snapshots/top-hidden-chromium-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-settings-Settings-Sho-cda2b-ed-after-reloading-the-page-chromium/top-hidden-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-settings-Settings-Sho-cda2b-ed-after-reloading-the-page-chromium/top-hidden-diff.png 34 | await page.reload({ waitUntil: 'networkidle' }); 35 | await page.menu.getMenuItem(showHeaderPath); > 36 | expect(await page.screenshot()).toMatchSnapshot('top-hidden.png'); | ^ 37 | 38 | await page.waitForSelector('#top-panel', { state: 'hidden' }); 39 | await page.menu.clickMenuItem(showHeaderPath); at /home/runner/work/notebook/notebook/ui-tests/test/settings.spec.ts:36:37

3) [chromium] › test/settings.spec.ts:23:7 › Settings › Should be persisted after reloading the page Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 501 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/settings.spec.ts-snapshots/top-hidden-chromium-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-settings-Settings-Sho-cda2b-ed-after-reloading-the-page-chromium-retry1/top-hidden-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-settings-Settings-Sho-cda2b-ed-after-reloading-the-page-chromium-retry1/top-hidden-diff.png 34 | await page.reload({ waitUntil: 'networkidle' }); 35 | await page.menu.getMenuItem(showHeaderPath); > 36 | expect(await page.screenshot()).toMatchSnapshot('top-hidden.png'); | ^ 37 | 38 | await page.waitForSelector('#top-panel', { state: 'hidden' }); 39 | await page.menu.clickMenuItem(showHeaderPath); at /home/runner/work/notebook/notebook/ui-tests/test/settings.spec.ts:36:37

Process completed with exit code 1.

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/mobile.spec.ts:30:7 › Mobile › The layout should be more compact on the file browser page Error: Screenshot comparison failed: 363 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/mobile.spec.ts-snapshots/tree-firefox-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-mobile-Mobile-The-lay-60036-ct-on-the-file-browser-page-firefox/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-firefox/tree-diff.png 36 | await page.waitForSelector('#top-panel-wrapper', { state: 'hidden' }); 37 | > 38 | expect(await page.screenshot()).toMatchSnapshot('tree.png'); | ^ 39 | }); 40 | 41 | test('The layout should be more compact on the notebook page', async ({ at /home/runner/work/notebook/notebook/ui-tests/test/mobile.spec.ts:38:37

1) [firefox] › test/mobile.spec.ts:30:7 › Mobile › The layout should be more compact on the file browser page Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 363 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/mobile.spec.ts-snapshots/tree-firefox-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-mobile-Mobile-The-lay-60036-ct-on-the-file-browser-page-firefox-retry1/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-firefox-retry1/tree-diff.png 36 | await page.waitForSelector('#top-panel-wrapper', { state: 'hidden' }); 37 | > 38 | expect(await page.screenshot()).toMatchSnapshot('tree.png'); | ^ 39 | }); 40 | 41 | test('The layout should be more compact on the notebook page', async ({ at /home/runner/work/notebook/notebook/ui-tests/test/mobile.spec.ts:38:37

2) [firefox] › test/notebook.spec.ts:103:7 › Notebook › Open table of content left panel ───────── Error: Screenshot comparison failed: 735 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/notebook.spec.ts-snapshots/toc-left-panel-firefox-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-notebook-Notebook-Open-table-of-content-left-panel-firefox/toc-left-panel-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-notebook-Notebook-Open-table-of-content-left-panel-firefox/toc-left-panel-diff.png 130 | const imageName = 'toc-left-panel.png'; 131 | > 132 | expect(await panel.screenshot()).toMatchSnapshot(imageName); | ^ 133 | }); 134 | 135 | test('Open notebook tools right panel', async ({ page, tmpPath }) => { at /home/runner/work/notebook/notebook/ui-tests/test/notebook.spec.ts:132:38

2) [firefox] › test/notebook.spec.ts:103:7 › Notebook › Open table of content left panel ───────── Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 735 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/notebook.spec.ts-snapshots/toc-left-panel-firefox-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-notebook-Notebook-Open-table-of-content-left-panel-firefox-retry1/toc-left-panel-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-notebook-Notebook-Open-table-of-content-left-panel-firefox-retry1/toc-left-panel-diff.png 130 | const imageName = 'toc-left-panel.png'; 131 | > 132 | expect(await panel.screenshot()).toMatchSnapshot(imageName); | ^ 133 | }); 134 | 135 | test('Open notebook tools right panel', async ({ page, tmpPath }) => { at /home/runner/work/notebook/notebook/ui-tests/test/notebook.spec.ts:132:38

3) [firefox] › test/settings.spec.ts:23:7 › Settings › Should be persisted after reloading the page Error: Screenshot comparison failed: 409 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/settings.spec.ts-snapshots/top-hidden-firefox-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-settings-Settings-Sho-cda2b-ed-after-reloading-the-page-firefox/top-hidden-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-settings-Settings-Sho-cda2b-ed-after-reloading-the-page-firefox/top-hidden-diff.png 34 | await page.reload({ waitUntil: 'networkidle' }); 35 | await page.menu.getMenuItem(showHeaderPath); > 36 | expect(await page.screenshot()).toMatchSnapshot('top-hidden.png'); | ^ 37 | 38 | await page.waitForSelector('#top-panel', { state: 'hidden' }); 39 | await page.menu.clickMenuItem(showHeaderPath); at /home/runner/work/notebook/notebook/ui-tests/test/settings.spec.ts:36:37

3) [firefox] › test/settings.spec.ts:23:7 › Settings › Should be persisted after reloading the page Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 409 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/notebook/notebook/ui-tests/test/settings.spec.ts-snapshots/top-hidden-firefox-linux.png Received: /home/runner/work/notebook/notebook/ui-tests/test-results/test-settings-Settings-Sho-cda2b-ed-after-reloading-the-page-firefox-retry1/top-hidden-actual.png Diff: /home/runner/work/notebook/notebook/ui-tests/test-results/test-settings-Settings-Sho-cda2b-ed-after-reloading-the-page-firefox-retry1/top-hidden-diff.png 34 | await page.reload({ waitUntil: 'networkidle' }); 35 | await page.menu.getMenuItem(showHeaderPath); > 36 | expect(await page.screenshot()).toMatchSnapshot('top-hidden.png'); | ^ 37 | 38 | await page.waitForSelector('#top-panel', { state: 'hidden' }); 39 | await page.menu.clickMenuItem(showHeaderPath); at /home/runner/work/notebook/notebook/ui-tests/test/settings.spec.ts:36:37

4) [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

5) [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?1725611134224 - user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0 - 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|e48945d9|17aae9a9b7a3378b171cddcfac61d824|1725611130 - 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|10:1725611130|23:username-localhost-8888|192:eyJ1c2VybmFtZSI6ICJmZjE2NzRkOTVlNzE0NTdiYmIzOTQxZjNlOGI4ZTk1MyIsICJuYW1lIjogIkFub255bW91cyBBb2VkZSIsICJkaXNwbGF5X25hbWUiOiAiQW5vbnltb3VzIEFvZWRlIiwgImluaXRpYWxzIjogIkFBIiwgImNvbG9yIjogbnVsbH0=|a4aba5b8bc37d373f201de5c6fe925a22aa369641f500161ed473b100bb898a0"; _xsrf=2|e48945d9|17aae9a9b7a3378b171cddcfac61d824|1725611130 " 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

Process completed with exit code 1.

1 flaky [chromium] › test/notebook.spec.ts:24:7 › Notebook › Title should be rendered ────────────────── 34 passed (1.8m)

3 failed [chromium] › test/mobile.spec.ts:30:7 › Mobile › The layout should be more compact on the file browser page [chromium] › test/notebook.spec.ts:103:7 › Notebook › Open table of content left panel ───────── [chromium] › test/settings.spec.ts:23:7 › Settings › Should be persisted after reloading the page 32 passed (2.0m)

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 (2.1m)