Request verification

See merge request acubesat/obc/ecss-services!2

- Added service assertions to check if the correct packet is received
- Fully implemented the loadRawData function, with passing tests
- Tests to follow

- Since the reporting is handled within the request function, there is no reason for the existance of the reporting function

# Conflicts:
#   CMakeLists.txt

Unit tests

See merge request acubesat/obc/ecss-services!1