Adds to verify_cinder_api_versions api_v3 check

Change-Id: I5953c111127dfb332e4952fa48e3ceb04fb6bb98
Partial-Bug: 1611771
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 77b88f9..9947f2a 100644
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -147,6 +147,10 @@
             contains_version('v2.', versions)):
         print_and_or_update('api_v2', 'volume-feature-enabled',
                             not CONF.volume_feature_enabled.api_v2, update)
+    if (CONF.volume_feature_enabled.api_v3 !=
+            contains_version('v3.', versions)):
+        print_and_or_update('api_v3', 'volume-feature-enabled',
+                            not CONF.volume_feature_enabled.api_v3, update)
 
 
 def verify_api_versions(os, service, update):