fix(nemesis): set nemesis class name to NonDisruptiveMonkey
fix(nemesis): set nemesis class name to NonDisruptiveMonkey

scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests