ref(*): deprecate cluster domain object
ref(test): close the response body and indicate the status code.
Merge pull request #2177 from gabrtv/drop-cluster

Deprecate Cluster domain object
Merge pull request #2178 from aledbf/ref_tests_timeout

ref(test): close the response body and indicate the status code.
ref(router): just use go. remove bash script
ref(test): dump router logs.
fix(test): avoid wait forever for etcd/fleet