The latest code coverage report for all RIC platform components can always be found with these links: primary link (all except "com" logging library components), remaining-components-link (com-golog, com-log, com-pylog).
Every once in a while the PTL creates an export of the reports. These reports are always stored as "coverage.zip" in the attachements of this page. Older versions of the same attachment refer to older versions. This can be used, e.g., to check for deteriorating test coverage levels.
As of 2021-05-25 the following components are missing in the report: ric-plt/alarm-cpp, ric-plt/libe2ap, ric-plt/nodeb-rnib, ric-plt/o1, ric-plt/ric-dep, ric-plt/ric-test, ric-plt/sdlpy, ric-plt/utils. Also ric-plt/jaegeradapter is missing, but we probably abandon that component. So no need to spend time on it.