Tests to make sure the server works as intended.
Simulates POST requests that would be sent by the De1-SoC, POST requests sent by the app, and GET requests sent by the
app. Run with python3 -u <URL>, where URL could be something like http://localhost:8000 or http://www.example.com.
Use the -c flag to clear the database of all contents. By default, it runs on http://localhost:8000.