Merge aodh tempest tests and configuration in ceilometer

* In order to achieve the tempest plugin split goal, we are merging
  the aodh tempest tests and config in to ceilometer, then we can move
  all the telemetry tests in a single repo.


Change-Id: I4e0952487d0fe73992e8fe9d6ddda3f98054ec60
diff --git a/ceilometer/tests/tempest/plugin.py b/ceilometer/tests/tempest/plugin.py
index 19fcf68..e529011 100644
--- a/ceilometer/tests/tempest/plugin.py
+++ b/ceilometer/tests/tempest/plugin.py
@@ -41,6 +41,9 @@
         config.register_opt_group(
             conf, tempest_config.event_group,
             tempest_config.event_opts)
+        config.register_opt_group(
+            conf, tempest_config.alarming_group,
+            tempest_config.AlarmingGroup)
 
     def get_opt_lists(self):
         return [(tempest_config.telemetry_group.name,
@@ -48,4 +51,6 @@
                 (tempest_config.event_group.name,
                  tempest_config.event_opts),
                 (config.service_available_group.name,
-                 tempest_config.service_option)]
+                 tempest_config.service_option),
+                (tempest_config.alarming_group.name,
+                 tempest_config.AlarmingGroup)]