MB-61292: [native-encryption] Add cluster tests

Change-Id: Id6d1d0d027751e123d842a11c4016f276b9a28ac
Reviewed-on: https://review.couchbase.org/c/ns_server/+/209741
Tested-by: Timofey Barmin <[email protected]>
Well-Formed: Build Bot <[email protected]>
Reviewed-by: Peter Searby <[email protected]>

Author: timofey-barmin

cluster_tests/run.py

@@ -67,6 +67,7 @@
     settings_managers_tests, \
     users_tests, \
     web_settings_tests, \
+    native_encryption_tests, \
     rest_eject_test, \
     node_remap_tests, \
     services_topology_tests, \