Optimize stateful test healthcheck #89

Job	Run time
Generate build matrix for tests	7s
Run lint	10s
Run test(python='3.8', sqlalchemy='1.2')	1m 14s
Run test(python='3.8', sqlalchemy='1.0')	1m 9s
Run test(python='3.9', sqlalchemy='1.0')	1m 17s
Run test(python='3.8', sqlalchemy='1.3')	1m 5s
Run test(python='3.8', sqlalchemy='1.1')	1m 17s
Run test(python='3.9', sqlalchemy='1.1')	1m 17s
Run test(python='3.9', sqlalchemy='1.2')	1m 12s
Run test(python='3.9', sqlalchemy='1.3')	1m 3s
Run test(python='3.10', sqlalchemy='1.2')	1m 5s
Run test(python='3.10', sqlalchemy='1.3')	1m 4s
Run test(python='3.11', sqlalchemy='1.3')	1m 2s
Run test(python='pypy-3.8', sqlalchemy='1.1')	5m 10s
Run test(python='3.11', sqlalchemy='1.2')	1m 6s
Run test(python='pypy-3.8', sqlalchemy='1.2')	4m 51s
Run test(python='pypy-3.8', sqlalchemy='1.0')	5m 55s
Run test(python='pypy-3.9', sqlalchemy='1.3')	4m 4s
Run test(python='pypy-3.9', sqlalchemy='1.0')	4m 10s
Run test(python='pypy-3.9', sqlalchemy='1.2')	3m 49s
Run test(python='pypy-3.10', sqlalchemy='1.3')	3m 55s
Run test(python='pypy-3.8', sqlalchemy='1.3')	5m 22s
Run test(python='pypy-3.10', sqlalchemy='1.2')	3m 53s
Run test(python='pypy-3.9', sqlalchemy='1.1')	4m 0s
Run test(python='pypy-3.11', sqlalchemy='1.3')	3m 55s
Run test(python='pypy-3.11', sqlalchemy='1.2')	3m 48s
Finalize coverage	4s
	1h 7m 4s

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