Add the flavor service client.

This patch adds the flavor service client to the Octavia tempest plugin.

Change-Id: Iecadff4065c3394918ac7342d139f261f3d28e0c
diff --git a/octavia_tempest_plugin/clients.py b/octavia_tempest_plugin/clients.py
index e556c16..9b35afd 100644
--- a/octavia_tempest_plugin/clients.py
+++ b/octavia_tempest_plugin/clients.py
@@ -18,6 +18,8 @@
 from octavia_tempest_plugin.services.load_balancer.v2 import (
     amphora_client)
 from octavia_tempest_plugin.services.load_balancer.v2 import (
+    flavor_client)
+from octavia_tempest_plugin.services.load_balancer.v2 import (
     flavor_profile_client)
 from octavia_tempest_plugin.services.load_balancer.v2 import (
     healthmonitor_client)
@@ -61,3 +63,5 @@
             self.auth_provider, SERVICE_TYPE, CONF.identity.region)
         self.flavor_profile_client = flavor_profile_client.FlavorProfileClient(
             self.auth_provider, SERVICE_TYPE, CONF.identity.region)
+        self.flavor_client = flavor_client.FlavorClient(
+            self.auth_provider, SERVICE_TYPE, CONF.identity.region)