FAQ on the FediTest testing framework

https://feditest.org/faq/feditest/

• FediTest emits many "null" values in the generated JSON files. Why is that?
• FediTest tests can either be defined as functions or as classes with "steps". What's that for?
• How do I set up DNS and TLS certificates for my to-be-tested Nodes?
• Is FediTest just for testing ActivityPub?
• Is it complicated to implement a NodeDriver for my application?
• What report formats are supported?
• What's the role of UBOS Gears in FediTest?
• Why didn't you build on PyTest or some other unit testing framework?