move unit tests into 'testing' directories
diff --git a/openstack/blockstorage/v1/volumes/testing/doc.go b/openstack/blockstorage/v1/volumes/testing/doc.go
index 60fc22a..2f66ba5 100644
--- a/openstack/blockstorage/v1/volumes/testing/doc.go
+++ b/openstack/blockstorage/v1/volumes/testing/doc.go
@@ -2,6 +2,6 @@
This is package created is to hold fixtures (which imports testing),
so that importing volumes package does not inadvertently import testing into production code
More information here:
-https://github.com/gophercloud/gophercloud/issues/473
+https://github.com/rackspace/gophercloud/issues/473
*/
package testing