Group CQL keys into a single query [cql-tests] [tp-tests] #3745

Job	Run time
build-all	1m 29s
build-java11	1m 33s
tests (driver, 8)	1m 11s
tests (server, 8)	4m 4s
tests (test, 8)	8m 55s
tests (inmemory, -Dtest.skip.tp=false, 8)	32m 40s
tests (berkeleyje, 8)	9m 57s
tests (lucene, 8)	4m 53s
tests (driver, -Pjava-11, 11)	1m 24s
tests (server, -Pjava-11, 11)	3m 59s
tests (test, -Pjava-11, 11)	8m 37s
tests (inmemory, -Pjava-11, -Dtest.skip.tp=false, 11)	33m 1s
tests (berkeleyje, -Pjava-11, 11)	12m 28s
tests (lucene, -Pjava-11, 11)	4m 58s
	2h 9m 9s

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