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
fgetpos
qtextdocument
getelementbyid
logql
spring-mono
npm-registry
system.speech.recognition
tss
graphql-relay
tor-browser-bundle
ssziparchive
libmosquitto
bdd
appsync-subscription
malware
data-generation
react-native-stripe-api
urldecode
aws-device-farm
spatial
ti-nspire
pyfirmata
key-management
monadplus
vera++
hammer.js
fusedlocationproviderclient
bar-chart
mbed
angular-guards