Adds flavor profile API tests

This patch adds flavor profile API tests to the Octavia tempest plugin.

Depends-On: https://review.openstack.org/626819
Change-Id: I4e76b3717ddc577a912e39edbe701c71825361d2
diff --git a/octavia_tempest_plugin/tests/test_base.py b/octavia_tempest_plugin/tests/test_base.py
index b935409..092fdcc 100644
--- a/octavia_tempest_plugin/tests/test_base.py
+++ b/octavia_tempest_plugin/tests/test_base.py
@@ -122,6 +122,8 @@
         cls.mem_l7policy_client = cls.os_roles_lb_member.l7policy_client
         cls.mem_l7rule_client = cls.os_roles_lb_member.l7rule_client
         cls.mem_amphora_client = cls.os_roles_lb_member.amphora_client
+        cls.lb_admin_flavor_profile_client = (
+            cls.os_roles_lb_admin.flavor_profile_client)
 
     @classmethod
     def resource_setup(cls):