In your command line: make sure you are in the project's root directory then run
$ python -m unittest discover game/tests
or in PyCharm:
- In the run menu, edit configurations.
- Create a new configuration by clicking + and selecting Python tests > Unittests.
- Choose a name
- Set Test to All in Folder.
- set the folder to <your_working_dir>Prom_Pong/game/tests
- set python interpreter to 2.7.X
- Apply and OK
- Run