Increase coverage #1835

Job	Run time
fmt	12s
clippy (ubuntu-latest)	1m 36s
clippy (macos-latest)	40s
clippy (windows-latest)	2m 42s
coverage-unit (ubuntu-latest)	2m 31s
test-minimal-container	2m 16s
test (ubuntu-latest)	1m 53s
coverage-integration (ubuntu-latest)	5m 6s
test (macos-latest)	37s
coverage-integration (macos-latest)	2m 8s
coverage-unit (macos-latest)	55s
coverage-unit (windows-latest)	5m 12s
upload-coverage	4s
	25m 52s

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