Adds basic Marconi test

This patch adds the config options needed to add Queuing tests.
This patch also has a basic test to verify that everything works
as expected.

Change-Id: I0769affe66a1e94bff366305e230c1b388e68278
Implements: blueprint add-basic-marconi-tests
diff --git a/tempest/clients.py b/tempest/clients.py
index e16d0f4..4c4dcf4 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -152,6 +152,7 @@
     ObjectClientCustomizedHeader
 from tempest.services.orchestration.json.orchestration_client import \
     OrchestrationClient
+from tempest.services.queuing.json.queuing_client import QueuingClientJSON
 from tempest.services.telemetry.json.telemetry_client import \
     TelemetryClientJSON
 from tempest.services.telemetry.xml.telemetry_client import \
@@ -334,6 +335,7 @@
             self.hosts_v3_client = HostsV3ClientJSON(self.auth_provider)
             self.database_flavors_client = DatabaseFlavorsClientJSON(
                 self.auth_provider)
+            self.queuing_client = QueuingClientJSON(self.auth_provider)
             if CONF.service_available.ceilometer:
                 self.telemetry_client = TelemetryClientJSON(
                     self.auth_provider)