speedup tests: no full database migrations in setup #108

Job	Run time
code-style-and-static-analysis	2m 38s
Test Suite (7.4, sqlite, 4-min)	54s
Test Suite (7.4, sqlite, 4-max)	1m 1s
Test Suite (7.4, sqlite, 5-min)	59s
Test Suite (7.4, sqlite, 5-max)	1m 10s
Test Suite (7.4, mysql, 4-min)	1m 6s
Test Suite (7.4, mysql, 4-max)	1m 12s
Test Suite (7.4, mysql, 5-min)	1m 4s
Test Suite (7.4, mysql, 5-max)	1m 12s
Test Suite (7.4, pgsql, 4-min)	1m 6s
Test Suite (7.4, pgsql, 4-max)	1m 17s
Test Suite (7.4, pgsql, 5-min)	1m 14s
Test Suite (7.4, pgsql, 5-max)	1m 21s
Test Suite (7.4, agnostic, 4-min)	31s
Test Suite (7.4, agnostic, 4-max)	28s
Test Suite (7.4, agnostic, 5-min)	28s
Test Suite (7.4, agnostic, 5-max)	33s
Test Suite (8.2, sqlite, 4-max)	52s
Test Suite (8.2, sqlite, 5-min)	50s
Test Suite (8.2, sqlite, 5-max)	47s
Test Suite (8.2, sqlite, 6-min)	49s
Test Suite (8.2, sqlite, 6-max)	55s
Test Suite (8.2, mysql, 4-max)	1m 22s
Test Suite (8.2, mysql, 5-min)	1m 13s
Test Suite (8.2, mysql, 5-max)	1m 11s
Test Suite (8.2, mysql, 6-min)	1m 13s
Test Suite (8.2, mysql, 6-max)	1m 13s
Test Suite (8.2, pgsql, 4-max)	1m 19s
Test Suite (8.2, pgsql, 5-min)	1m 4s
Test Suite (8.2, pgsql, 5-max)	1m 3s
Test Suite (8.2, pgsql, 6-min)	1m 12s
Test Suite (8.2, pgsql, 6-max)	1m 3s
Test Suite (8.2, agnostic, 4-max)	25s
Test Suite (8.2, agnostic, 5-min)	22s
Test Suite (8.2, agnostic, 5-max)	32s
Test Suite (8.2, agnostic, 6-min)	24s
Test Suite (8.2, agnostic, 6-max)	31s
	36m 34s

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