[BP MB-38304] Rebalance failed when eventing node failed over - Pausing n1ql handler hung

./testrunner -i /tmp/win10-bucket-ops.ini -p  -t eventing.eventing_rebalance.EventingRebalance.test_kv_failover_and_recovery_rebalance_with_eventing_node,nodes_init=6,services_init=kv-kv-kv-eventing-eventing-index:n1ql,dataset=default,groups=simple,reset_services=True,doc-per-day=20,failover_type=hard,recovery_type=full,handler_code=source_bucket_mutation,source_bucket_mutation=True,GROUP=source_bucket_mutation_p1,skip_cleanup=True

Rebalance exited with reason {service_rebalance_failed,eventing,

{worker_died,

{'EXIT',<0.30886.0>,

{rebalance_failed,

{service_error,

<<"eventing rebalance hasn't made progress for past 600 secs">>}}}}}.

Rebalance Operation Id = 450a0436b919e1d227f1644753e9d17cns_orchestrator 000ns_1@172.23.105.183 7:53:34 AM   20 Mar, 2020