Add tests for eligible_for_coverage_map #642

Job	Run time
build	2m 40s
fmt	13s
clippy	2m 8s
tests (coverage-map)	1m 42s
tests (ingest)	2m 4s
tests (coverage-point-calculator)	1m 42s
tests (reward-scheduler)	1m 5s
tests (task-manager)	1m 10s
tests-postgres (boost-manager)	3m 3s
tests-postgres (file-store)	2m 23s
tests-postgres (iot-config)	2m 36s
tests-postgres (iot-packet-verifier)	3m 31s
tests-postgres (iot-verifier)	2m 52s
tests-postgres (mobile-config)	2m 20s
tests-postgres (mobile-packet-verifier)	2m 54s
tests-postgres (mobile-verifier)	2m 45s
build-release	0s
	35m 8s

Provide feedback