Add implementation of CHASM List/Count Runs #16625

Job	Run time
Pre-build for cache	2m 42s
Set up single test	22s
Misc checks	6m 13s
Unit test	13m 0s
Integration test	9m 39s
Functional test ndc (cass_es8)	3m 25s
Functional test ndc (cass_os2)	4m 50s
Functional test ndc (mysql8)	4m 18s
Functional test ndc (postgres12)	4m 23s
Functional test ndc (cass_es)	3m 16s
Functional test xdc (mysql8)	12m 3s
Functional test xdc (cass_es)	13m 1s
Functional test xdc (cass_os2)	12m 49s
Functional test ndc (postgres12_pgx)	4m 11s
Functional test xdc (postgres12_pgx)	15m 44s
Functional test xdc (cass_es8)	11m 39s
Functional test xdc (postgres12)	13m 59s
Functional test (cass_es8, shard 0)	17m 32s
Functional test (cass_es, shard 2)	15m 4s
Functional test (cass_os2, shard 0)	19m 14s
Functional test (cass_os2, shard 2)	21m 36s
Functional test (cass_es, shard 1)	18m 32s
Functional test (cass_os2, shard 1)	24m 5s
Functional test (cass_es8, shard 1)	17m 24s
Functional test (cass_es8, shard 2)	14m 18s
Functional test (postgres12, shard 0)	19m 35s
Functional test (sqlite, shard 2)	40m 47s
Functional test (sqlite, shard 0)	41m 6s
Functional test (sqlite, shard 1)	40m 46s
Functional test (postgres12_pgx, shard 1)	19m 59s
Functional test (mysql8, shard 1)	24m 11s
Functional test (cass_es, shard 0)	15m 45s
Functional test (mysql8, shard 2)	18m 25s
Functional test (postgres12_pgx, shard 2)	17m 12s
Functional test (mysql8, shard 0)	22m 13s
Functional test (postgres12_pgx, shard 0)	27m 45s
Functional test (postgres12, shard 2)	17m 21s
Functional test (postgres12, shard 1)	24m 12s
Test Status	4s
	10h 12m 40s

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