1) [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/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?1725986665046 - 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|1b02a812|35ee043f1c2135d689febac97d57c574|1725986661 - 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|10:1725986661|23:username-localhost-8888|192:eyJ1c2VybmFtZSI6ICI5MjljYjIwOWY3ZWM0ZGVmYmQxOGM0YmM5YTkwOTRiMSIsICJuYW1lIjogIkFub255bW91cyBBaXRuZSIsICJkaXNwbGF5X25hbWUiOiAiQW5vbnltb3VzIEFpdG5lIiwgImluaXRpYWxzIjogIkFBIiwgImNvbG9yIjogbnVsbH0=|be7a13bff261c88fc3b2b97406d107933d95fa64bb170a5d14279a3196d95a25"; _xsrf=2|1b02a812|35ee043f1c2135d689febac97d57c574|1725986661 " 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

2) [firefox] › test/notebook.spec.ts:24:7 › Notebook › Title should be rendered ────────────────── Error: Test ended. Browser logs: [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][err] JavaScript error: http://localhost:8888/static/notebook/5573.bundle.js, line 1: TypeError: s is undefined [pid=5500][err] JavaScript error: http://localhost:8888/static/notebook/5573.bundle.js, line 1: TypeError: s is undefined [pid=5500][err] JavaScript error: chrome://juggler/content/Helper.js, line 82: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIWebProgress.removeProgressListener] [pid=5500][err] JavaScript error: resource://gre/modules/SearchEngineSelectorOld.sys.mjs, line 118: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][err] JavaScript error: http://localhost:8888/static/notebook/5573.bundle.js, line 1: TypeError: s is undefined [pid=5500][err] JavaScript error: http://localhost:8888/static/notebook/5573.bundle.js, line 1: TypeError: s is undefined [pid=5500][err] JavaScript error: chrome://juggler/content/Helper.js, line 82: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIWebProgress.removeProgressListener] [pid=5500][err] JavaScript error: resource://gre/modules/SearchEngineSelectorOld.sys.mjs, line 118: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][err] JavaScript error: http://localhost:8888/static/notebook/5573.bundle.js, line 1: TypeError: s is undefined [pid=5500][err] JavaScript error: http://localhost:8888/static/notebook/5573.bundle.js, line 1: TypeError: s is undefined [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][err] JavaScript warning: resource://gre/modules/UpdateService.sys.mjs, line 3855: unreachable code after return statement [pid=5500][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5500][out] [pid=5500][out] ERROR: Failed "evaluate": connector for namespace "page" in channel "browser::page[e8db7030-f71b-409f-b421-ce93b6169e9c]/12884901889/12884901889/1" is disposed. _rejectCallbacksFromConnector@chrome://juggler/content/SimpleChannel.js:108:25 [pid=5500][out] dispose@chrome://juggler/content/SimpleChannel.js:119:27 [pid=5500][out] dispose@chrome://juggler/content/protocol/PageHandler.js:156:23 [pid=5500][out] _dispose@chrome://juggler/content/protocol/Dispatcher.js:116:21 [pid=5500][out] destroySession@chrome://juggler/content/protocol/Dispatcher.js:34:13 [pid=5500][out] _onTargetDestroyed@chrome://juggler/content/protocol/BrowserHandler.js:113:22 [pid=5500][out] handlerWrapper@chrome://juggler/content/Helper.js:75:51 [pid=5500][out] emit@resource://gre/modules/EventEmitter.sys.mjs:148:20 [pid=5500][out] dispose@chrome://juggler/content/TargetRegistry.js:791:20 [pid=5500][out] onTabCloseListener@chrome://juggler/content/TargetRegistry.js:174:18 [pid=5500][out] _beginRemoveTab@chrome://browser/content/tabbrowser.js:4302:12 [pid=5500][out] removeTab@chrome://browser/content/tabbrowser.js:4068:15 [pid=5500][out] close@chrome://juggler/content/TargetRegistry.js:614:20 [pid=5500][out] Page.close/<@chrome://juggler/content/protocol/PageHandler.js:235:24 [pid=5500][out] [pid=5500][out] [pid=5500][out] ERROR: Failed "disposeObject": connector for namespace "page" in channel "browser::page[e8db7030-f71b-409f-b421

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2 flaky [firefox] › test/filebrowser.spec.ts:31:7 › File Browser › Select one file ───────────────────── [firefox] › test/notebook.spec.ts:24:7 › Notebook › Title should be rendered ─────────────────── 33 passed (2.0m)