tests

feat: adding code cov for PyTest including statement & branch coverage #308

Job	Run time
test (3.8, ubuntu-latest, test)	6m 40s
test (3.8, ubuntu-latest, test-full)	8m 22s
test (3.8, windows-latest, test)	8m 9s
test (3.8, windows-latest, test-full)	11m 18s
test (3.9, ubuntu-latest, test)	6m 31s
test (3.9, ubuntu-latest, test-full)	8m 28s
test (3.9, windows-latest, test)	7m 51s
test (3.9, windows-latest, test-full)	10m 23s
test (3.10, ubuntu-latest, test)	6m 48s
test (3.10, ubuntu-latest, test-full)	8m 14s
test (3.10, windows-latest, test)	8m 19s
test (3.10, windows-latest, test-full)	10m 51s
test (3.11, ubuntu-latest, test)	6m 34s
test (3.11, ubuntu-latest, test-full)	8m 30s
test (3.11, windows-latest, test)	8m 0s
test (3.11, windows-latest, test-full)	10m 20s
test (3.12, ubuntu-latest, test)	6m 53s
test (3.12, ubuntu-latest, test-full)	17m 24s
test (3.12, windows-latest, test)	7m 56s
test (3.12, windows-latest, test-full)	13m 59s
check-format / check	12s
	3h 1m 42s

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