tests: simple_schema: Introduce make_ckeys()
tests: simple_schema: Introduce make_ckeys()

scylladb/scylla,avikivity/scylla,duarten/scylla,duarten/scylla,duarten/scylla,scylladb/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,avikivity/scylla