A project I'm involved in uses testbook to test code cells of Jupyter notebooks. Patching works fine — unless the code to be tested asks for
openlitespeed
physics
pcf
css-contain
mustache.php
android-build-flavors
flux
pydrive
jacorb
flann
applitools
gl-triangle-strip
gocv
openstack-horizon
flask-peewee
windows-virtual-desktop
mongodb
babel-plugin-react-intl
dynamic-frameworks
swiftystorekit
aspectj-maven-plugin
pandas-settingwithcopy-warning
deeplink
centos8
sentinel
sphinx
ffmpeg-concat
primality-test
devserver
kentico-kontent