Mark more tests as flaky #24

Job	Run time
build-all	1m 19s
tests (scylla, -Pscylla-murmur -Dtest="*/diskstorage/cql/", murmur-diskstorage, 8)	14m 52s
tests (scylla, -Pscylla-murmur -Dtest="*/graphdb/cql/", murmur-graphdb, 8)	56m 40s
tests (scylla, -Pscylla-murmur -Dtest="*/hadoop/", murmur-hadoop, 8)	11m 26s
tests (scylla, -Pscylla-murmur -Dtest="*/core/cql/", murmur-core, 8)	3m 38s
tests (scylla, -Pscylla-murmur -Dtest="*/diskstorage/cql/", murmur-diskstorage, -Pjava-11, 11)	15m 21s
tests (scylla, -Pscylla-murmur -Dtest="*/graphdb/cql/", murmur-graphdb, -Pjava-11, 11)	57m 14s
tests (scylla, -Pscylla-murmur -Dtest="*/hadoop/", murmur-hadoop, -Pjava-11, 11)	12m 5s
tests (scylla, -Pscylla-murmur -Dtest="*/core/cql/", murmur-core, -Pjava-11, 11)	3m 33s
	2h 56m 8s

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