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

aggregate coverage metrics of unit tests across packages
diff --git a/openstack/objectstorage/v1/accounts/testing/doc.go b/openstack/objectstorage/v1/accounts/testing/doc.go
index 7603f83..b8fdf88 100644
--- a/openstack/objectstorage/v1/accounts/testing/doc.go
+++ b/openstack/objectstorage/v1/accounts/testing/doc.go
@@ -1 +1,2 @@
+// objectstorage_accounts_v1
 package testing
diff --git a/openstack/objectstorage/v1/containers/testing/doc.go b/openstack/objectstorage/v1/containers/testing/doc.go
index 7603f83..c27fa49 100644
--- a/openstack/objectstorage/v1/containers/testing/doc.go
+++ b/openstack/objectstorage/v1/containers/testing/doc.go
@@ -1 +1,2 @@
+// objectstorage_containers_v1
 package testing
diff --git a/openstack/objectstorage/v1/objects/testing/doc.go b/openstack/objectstorage/v1/objects/testing/doc.go
index 7603f83..f008a80 100644
--- a/openstack/objectstorage/v1/objects/testing/doc.go
+++ b/openstack/objectstorage/v1/objects/testing/doc.go
@@ -1 +1,2 @@
+// objectstorage_objects_v1
 package testing
diff --git a/openstack/objectstorage/v1/swauth/testing/doc.go b/openstack/objectstorage/v1/swauth/testing/doc.go
index 7603f83..ff3bf37 100644
--- a/openstack/objectstorage/v1/swauth/testing/doc.go
+++ b/openstack/objectstorage/v1/swauth/testing/doc.go
@@ -1 +1,2 @@
+// objectstorage_swauth_v1
 package testing