Migrate scenario tests to resource_* fixtures

Partially-implements bp resource-cleanup

Change-Id: Ib6ad8614c6d1a84e32dd31d27f899df02eed260a
diff --git a/tempest/scenario/test_dashboard_basic_ops.py b/tempest/scenario/test_dashboard_basic_ops.py
index 4fcc70a..f218fb2 100644
--- a/tempest/scenario/test_dashboard_basic_ops.py
+++ b/tempest/scenario/test_dashboard_basic_ops.py
@@ -34,9 +34,9 @@
     """
 
     @classmethod
-    def setUpClass(cls):
+    def resource_setup(cls):
         cls.set_network_resources()
-        super(TestDashboardBasicOps, cls).setUpClass()
+        super(TestDashboardBasicOps, cls).resource_setup()
 
         if not CONF.service_available.horizon:
             raise cls.skipException("Horizon support is required")