Merge pull request #35694 from rhcs-dashboard/wip-45901-master

mgr/dashboard: increase API test coverage in API controllers

Reviewed-by: Alfonso Martínez <almartin@redhat.com>
Reviewed-by: Ernesto Puertat <epuertat@redhat.com>
Reviewed-by: Laura Paduano <lpaduano@suse.com>
Reviewed-by: Volker Theile <vtheile@suse.com>

diff --cc qa/tasks/mgr/dashboard/test_cephfs.py
Simple merge

diff --cc qa/tasks/mgr/dashboard/test_pool.py
Simple merge

diff --cc qa/tasks/mgr/dashboard/test_rgw.py
Simple merge