erl -make to compile.
erl -pa ebin/ to start Erlang shell.
Run a demo case of the system: cases_test:demo_run().
Run single APIs tests:
cases_test:planner_api_test().cases_test:manager_api_test().cases_test:vehicle_api_test().cases_test:vehicle_sup_test().
Exit erlang shell, and run top_sup tests:
cases_test:top_sup_test().