Add pkg.go for acceptance tests
diff --git a/acceptance/openstack/blockstorage/v2/pkg.go b/acceptance/openstack/blockstorage/v2/pkg.go
new file mode 100644
index 0000000..31dd0ff
--- /dev/null
+++ b/acceptance/openstack/blockstorage/v2/pkg.go
@@ -0,0 +1,3 @@
+// The v2 package contains acceptance tests for the Openstack Cinder V2 service.
+
+package v2