556 cli talk tests

Project proposal: https://docs.google.com/document/d/1_-vzW36GFCA23Wm415Xyf7B2DNM_-I6DFc6i4s5zGnc/edit#

Contains tests for talk portion of /frontend/cli.py.

- [x] Temp config
- [x] Add talk tests
- [x] Remove talk tests
- [x] Clear talk tests
- [ ] Clean up