1) [chromium] › test/filebrowser.spec.ts:20:7 › File Browser › Select one folder ───────────────── Error: expect(locator).toBeVisible() Locator: getByRole('toolbar').getByText('Rename') Expected: visible Received: hidden Call log: - expect.toBeVisible with timeout 5000ms - waiting for getByRole('toolbar').getByText('Rename') - locator resolved to <span class="jp-ToolbarButtonComponent-label">Rename</span> - unexpected value "hidden" - locator resolved to <span class="jp-ToolbarButtonComponent-label">Rename</span> - unexpected value "hidden" 25 | const toolbar = page.getByRole('toolbar'); 26 | > 27 | expect(toolbar.getByText('Rename')).toBeVisible(); | ^ 28 | expect(toolbar.getByText('Delete')).toBeVisible(); 29 | }); 30 | at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:27:41

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

1) [firefox] › test/filebrowser.spec.ts:20:7 › File Browser › Select one folder ────────────────── Error: expect(locator).toBeVisible() Locator: getByRole('toolbar').getByText('Rename') Expected: visible Received: hidden Call log: - expect.toBeVisible with timeout 5000ms - waiting for getByRole('toolbar').getByText('Rename') - locator resolved to <span class="jp-ToolbarButtonComponent-label">Rename</span> - unexpected value "hidden" 25 | const toolbar = page.getByRole('toolbar'); 26 | > 27 | expect(toolbar.getByText('Rename')).toBeVisible(); | ^ 28 | expect(toolbar.getByText('Delete')).toBeVisible(); 29 | }); 30 | at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:27:41

1) [firefox] › test/filebrowser.spec.ts:20:7 › File Browser › Select one folder ────────────────── Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: expect(locator).toBeVisible() Locator: getByRole('toolbar').getByText('Rename') Expected: visible Received: hidden Call log: - expect.toBeVisible with timeout 5000ms - waiting for getByRole('toolbar').getByText('Rename') - locator resolved to <span class="jp-ToolbarButtonComponent-label">Rename</span> - unexpected value "hidden" - locator resolved to <span class="jp-ToolbarButtonComponent-label">Rename</span> - unexpected value "hidden" - locator resolved to <span class="jp-ToolbarButtonComponent-label">Rename</span> - unexpected value "hidden" 25 | const toolbar = page.getByRole('toolbar'); 26 | > 27 | expect(toolbar.getByText('Rename')).toBeVisible(); | ^ 28 | expect(toolbar.getByText('Delete')).toBeVisible(); 29 | }); 30 | at /home/runner/work/notebook/notebook/ui-tests/test/filebrowser.spec.ts:27:41

2) [firefox] › test/filebrowser.spec.ts:31:7 › File Browser › Select one file ──────────────────── 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') 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:31:7 › File Browser › Select one file ──────────────────── Error: Test ended. Browser logs: <launching> /home/runner/.cache/ms-playwright/firefox-1465/firefox/firefox -no-remote -headless -profile /tmp/playwright_firefoxdev_profile-KorXMH -juggler-pipe -silent <launched> pid=6282 [pid=6282][err] *** You are running in headless mode. [pid=6282][err] JavaScript warning: resource://services-settings/Utils.sys.mjs, line 116: unreachable code after return statement [pid=6282][out] console.warn: services.settings: Ignoring preference override of remote settings server [pid=6282][out] console.warn: services.settings: Allow by setting MOZ_REMOTE_SETTINGS_DEVTOOLS=1 in the environment [pid=6282][out] Crash Annotation GraphicsCriticalError: |[0][GFX1-]: glxtest: Unable to open a connection to the X server (t=0.260282) [GFX1-]: glxtest: Unable to open a connection to the X server [pid=6282][out] console.error: ({}) [pid=6282][out] [pid=6282][out] Juggler listening to the pipe [pid=6282][out] console.error: ({}) [pid=6282][out] console.error: SearchEngineSelector: "Received empty search configuration!" [pid=6282][out] console.error: "Received empty top sites configuration!" [pid=6282][out] console.error: SearchEngineSelector: "Received empty search configuration!" [pid=6282][out] console.error: SearchService: "#init: failure initializing search:" ({}) [pid=6282][out] console.error: "Received empty top sites configuration!" [pid=6282][err] JavaScript error: resource://gre/modules/SearchEngineSelector.sys.mjs, line 76: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=6282][err] JavaScript error: resource://gre/modules/SearchEngineSelector.sys.mjs, line 76: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=6282][err] JavaScript error: resource://gre/modules/SearchEngineSelector.sys.mjs, line 76: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=6282][err] JavaScript error: resource://gre/modules/SearchEngineSelector.sys.mjs, line 76: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=6282][err] JavaScript error: resource:///modules/SearchModeSwitcher.sys.mjs, line 254: TypeError: engine is null [pid=6282][out] console.error: WebExtensions: [pid=6282][out] Message: [Exception... "Failed to get engine data from Remote Settings" nsresult: "0x8000ffff (NS_ERROR_UNEXPECTED)" location: "JS frame :: resource://gre/modules/SearchEngineSelector.sys.mjs :: getEngineConfiguration :: line 76" data: no] [pid=6282][out] Stack: [pid=6282][out] getEngineConfiguration@resource://gre/modules/SearchEngineSelector.sys.mjs:76:24 [pid=6282][out] [pid=6282][err] JavaScript error: resource:///modules/SearchModeSwitcher.sys.mjs, line 254: TypeError: engine is null [pid=6282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=6282][out] console.error: SearchSettings: "_write: Could not write to settings file:" (new Error("cannot write without any engine.", "resource://gre/modules/SearchSettings.sys.mjs", 335)) [pid=6282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=6282][err] JavaScript error: resource:///modules/SearchModeSwitcher.sys.mjs, line 254: TypeError: engine is null [pid=6282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=6282][err] JavaScript error: resource:///modules/SearchModeSwitcher.sys.mjs, line 254: TypeError: engine is null [pid=6282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=6282][err] JavaScript error: http://localhost:8888/static/notebook/374.bundle.js, line 1: TypeError: this.layout is null [pid=6282][err] JavaScript error: resource:///modules/SearchModeSwitcher.sys.mjs, line 254: TypeError: engine is null [pid=6282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=6282][out] [pid=6282][out]

2) [firefox] › test/filebrowser.spec.ts:31:7 › File Browser › Select one file ──────────────────── Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── 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') 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

4) [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?1729759725055 - 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|15bcc474|5d811e4af8854cec311916e823c831bc|1729759721 - 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|10:1729759721|23:username-localhost-8888|196:eyJ1c2VybmFtZSI6ICIxODZiNDJmZWY1ZTQ0NjRmOWU3ZDMxNmZhMzk4MDcyMyIsICJuYW1lIjogIkFub255bW91cyBBdXRvbm9lIiwgImRpc3BsYXlfbmFtZSI6ICJBbm9ueW1vdXMgQXV0b25vZSIsICJpbml0aWFscyI6ICJBQSIsICJjb2xvciI6IG51bGx9|e1cd4fd3d251fff31069725a41593b5671e00366cf2c1e138cbfc0eb81c1d4ef; _xsrf=2|15bcc474|5d811e4af8854cec311916e823c831bc|1729759721 " 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

Process completed with exit code 1.

1 flaky [chromium] › test/filebrowser.spec.ts:20:7 › File Browser › Select one folder ────────────────── 35 passed (1.9m)

1 flaky [firefox] › test/filebrowser.spec.ts:31:7 › File Browser › Select one file ───────────────────── 35 passed (2.0m)