aggregate coverage metrics of unit tests across packages (#115)

aggregate coverage metrics of unit tests across packages
diff --git a/openstack/orchestration/v1/buildinfo/testing/doc.go b/openstack/orchestration/v1/buildinfo/testing/doc.go
index 7603f83..3655974 100644
--- a/openstack/orchestration/v1/buildinfo/testing/doc.go
+++ b/openstack/orchestration/v1/buildinfo/testing/doc.go
@@ -1 +1,2 @@
+// orchestration_buildinfo_v1
 package testing