Update README.md

README.md

@@ -6,4 +6,8 @@ Boilerplate set up. Run:
 docker-compose up
 ```
 
-And then visit `localhost:8080/user` in the browser. 
+And then visit `localhost:8080/user` in the browser. 
+
+### Testing
+
+From the root folder, run `go test ./...` to run all tests and ensure the builds/tests pass.