1) [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?1727955084608 - 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|cd5a9c72|02865c4b96035daabc152983bc6a734b|1727955081 - 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|10:1727955081|23:username-localhost-8888|192:eyJ1c2VybmFtZSI6ICJkMWUxNTkwYTNiYjU0MDU3YmIzNzM2NmZkMmE2ZWNhZCIsICJuYW1lIjogIkFub255bW91cyBBb2VkZSIsICJkaXNwbGF5X25hbWUiOiAiQW5vbnltb3VzIEFvZWRlIiwgImluaXRpYWxzIjogIkFBIiwgImNvbG9yIjogbnVsbH0=|61b58cf82596dc1dbd0980184555f61cbc4730d8abe5b77a1ab746d461ce42c9"; _xsrf=2|cd5a9c72|02865c4b96035daabc152983bc6a734b|1727955081 " 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/notebook.spec.ts:24:7 › Notebook › Title should be rendered ────────────────── Error: Test ended. Browser logs: [pid=5282][out] Stack: [pid=5282][out] getEngineConfiguration@resource://gre/modules/SearchEngineSelectorOld.sys.mjs:118:24 [pid=5282][out] [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][out] console.error: SearchSettings: "_write: Could not write to settings file:" (new Error("cannot write without any engine.", "resource://gre/modules/SearchSettings.sys.mjs", 280)) [pid=5282][err] JavaScript error: chrome://juggler/content/Helper.js, line 82: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIWebProgress.removeProgressListener] [pid=5282][err] JavaScript error: resource://gre/modules/SearchEngineSelectorOld.sys.mjs, line 118: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][err] JavaScript error: chrome://juggler/content/Helper.js, line 82: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIWebProgress.removeProgressListener] [pid=5282][err] JavaScript error: resource://gre/modules/SearchEngineSelectorOld.sys.mjs, line 118: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][err] JavaScript error: chrome://juggler/content/Helper.js, line 82: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIWebProgress.removeProgressListener] [pid=5282][err] JavaScript error: resource://gre/modules/SearchEngineSelectorOld.sys.mjs, line 118: NS_ERROR_UNEXPECTED: Failed to get engine data from Remote Settings [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][out] [pid=5282][out] ERROR: Component returned failure code: 0x804b0002 (NS_BINDING_ABORTED) [nsIInterceptedChannel.resetInterceptionWithURI] resume@chrome://juggler/content/NetworkObserver.js:185:30 [pid=5282][out] resumeInterceptedRequest@chrome://juggler/content/NetworkObserver.js:77:38 [pid=5282][out] Network.resumeInterceptedRequest@chrome://juggler/content/protocol/PageHandler.js:275:23 [pid=5282][out] dispatch@chrome://juggler/content/protocol/Dispatcher.js:132:39 [pid=5282][out] _dispatch@chrome://juggler/content/protocol/Dispatcher.js:69:36 [pid=5282][out] receiveMessage@chrome://juggler/content/components/Juggler.js:117:20 [pid=5282][out] [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][err] JavaScript error: http://localhost:8888/static/notebook/374.bundle.js, line 1: TypeError: this.layout is null [pid=5282][err] JavaScript error: http://localhost:8888/static/notebook/374.bundle.js, line 1: TypeError: this.layout is null [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][out] console.error: URLBar - Provider.UrlbarProviderSearchTips: ({}) [pid=5282][err] JavaScript error: chrome://juggler/content/Helper.js, line 82: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIWebProgress.removeProgressListener] [pid=5282][err] JavaScript error: chrome://juggler/content/Helper.js, line 82: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIWebProgress.removeProgressListener] [pid=5282][err] JavaScript error: chrome://juggler/content/Helper.js, line 82: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIWebProgress.removeProgressListener] [pid=5282][out] console.error: (new I