1) validate_assignment.spec.ts:246:1 › Validation answer cell type changed ─────────────────────── Error: apiRequestContext.fetch: Request context disposed. =========================== logs =========================== → POST http://localhost:8888/api/sessions?1693519926848 user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/116.0.5845.82 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|10:1693519919|23:username-localhost-8888|212:eyJ1c2VybmFtZSI6ICJiNjFlODM3NTQxMzY0MmYzOGQ1MjExZjcxMzYyZjI4OCIsICJuYW1lIjogIkFub255bW91cyBQaGlsb3Bocm9zeW5lIiwgImRpc3BsYXlfbmFtZSI6ICJBbm9ueW1vdXMgUGhpbG9waHJvc3luZSIsICJpbml0aWFscyI6ICJBUCIsICJjb2xvciI6IG51bGx9|32ac8503a18b0ea2f7613458b0764eafdc828d26141c71905f518d9ad7111925; _xsrf=2|8aaa9566|a94846bd7c856e13fec9981d7b99873e|1693519919 origin: http://localhost:8888 referer: http://localhost:8888/lab/tree/nbgrader-validate-assignments-test/submitted-answer-cell-type-changed.ipynb x-xsrftoken: 2|8aaa9566|a94846bd7c856e13fec9981d7b99873e|1693519919 sec-ch-ua: "Chromium";v="116", "Not)A;Brand";v="24", "HeadlessChrome";v="116" sec-ch-ua-mobile: ?0 sec-ch-ua-platform: "Windows" content-length: 178 ============================================================ at D:\a\nbgrader\nbgrader\node_modules\@jupyterlab\galata\src\galata.ts:834:49

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-python@v2, actions/upload-artifact@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/