migrate standalone activities tests to parallel suite #26288

Job	Run time
Test setup	19s
Pre-build for cache	1m 37s
Integration test	4m 45s
Misc checks	4m 12s
Mixed brain test	8m 3s
Unit test	5m 50s
Functional test (cass_es, xdc)	10m 56s
Functional test (cass_es8, smoke)	3m 45s
Functional test (cass_es, shard0)	18m 7s
Functional test (postgres12, shard1)	12m 28s
Functional test (mysql8, smoke)	3m 20s
Functional test (cass_os3, smoke)	3m 29s
Functional test (cass_os2, smoke)	3m 42s
Functional test (cass_es, shard1)	14m 50s
Functional test (cass_es, ndc)	3m 10s
Functional test (cass_es, shard2)	14m 41s
Functional test (postgres12, xdc)	9m 9s
Functional test (postgres12_pgx, smoke)	3m 13s
Functional test (postgres12, ndc)	3m 16s
Functional test (sqlite, smoke)	2m 55s
Functional test (postgres12, shard2)	13m 20s
Functional test (postgres12, shard0)	16m 21s
Test Status	3s
Notify Slack on Failure	0s
	2h 41m 31s

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