Create scenario tests for load balancers

This patch implements the tempest plugin for
for testing load balancer creation in Octavia.

Co-Authored-By: Jude Cross <jcross@godaddy.com>
Co-Authored-By: Lingxian Kong <anlin.kong@gmail.com>

Depends-On: https://review.openstack.org/557856
Change-Id: I57064f8e0834efba8859a780394a1c69851cc917
diff --git a/setup.cfg b/setup.cfg
index 993c4f7..b452614 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,6 +18,10 @@
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.5
 
+[global]
+setup-hooks =
+    pbr.hooks.setup_hook
+
 [files]
 packages =
     octavia_tempest_plugin
@@ -48,3 +52,7 @@
 all_files = 1
 build-dir = releasenotes/build
 source-dir = releasenotes/source
+
+[entry_points]
+tempest.test_plugins =
+    octavia-tempest-plugin = octavia_tempest_plugin.plugin:OctaviaTempestPlugin