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
windows-kernel
system.net.sockets
opendaylight
paypal-soap
dijit.form
top-n
filenet
openvdb
gnome-shell-extensions
waitress
simplewebrtc
gambling
apartment-gem
testing-library
couchbase-ottoman
facebook-graph-api-v2.0
pimpl-idiom
pyffmpeg
htmltidy
bs4dash
content-type
android-ble-library
mermaid
jayway
android-account
microsoft-ui-automation
jsweet
qodbc
android-8.0-oreo
openiddict