Unit tests for FastAPI branch

Run via `make test`

docs/devs/development.md

@@ -10,3 +10,17 @@ For developers
 ==============
 
 Thanks for contributing :)
+
+
+Tests
+=====
+
+This project has unit tests that help prevent regressions. Before you can run the tests, you must install a few dependencies:
+```bash
+./venv/bin/pip install pytest pytest-asyncio requests trio mock
+```
+
+Then to run the tests:
+```bash
+make test
+```