Add INIT_WAIT_TIME CQL option to sleep after table creation #685

Job	Run time
build-all	1m 6s
tests (scylla, -Pscylla-murmur -Dtest="*/diskstorage/cql/", murmur-diskstorage, 8)	13m 52s
tests (scylla, -Pscylla-murmur -Dtest="*/graphdb/cql/", murmur-graphdb, 8)	58m 11s
tests (scylla, -Pscylla-murmur -Dtest="*/hadoop/", murmur-hadoop, 8)	10m 51s
tests (scylla, -Pscylla-murmur -Dtest="*/core/cql/", murmur-core, 8)	4m 12s
tests (scylla, -Pscylla-murmur -Dtest="*/diskstorage/cql/", murmur-diskstorage, -Pjava-11, 11)	15m 26s
tests (scylla, -Pscylla-murmur -Dtest="*/graphdb/cql/", murmur-graphdb, -Pjava-11, 11)	54m 16s
tests (scylla, -Pscylla-murmur -Dtest="*/hadoop/", murmur-hadoop, -Pjava-11, 11)	12m 2s
tests (scylla, -Pscylla-murmur -Dtest="*/core/cql/", murmur-core, -Pjava-11, 11)	3m 28s
	2h 53m 24s

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