Use build tags to prevent accidental run of acceptance tests
diff --git a/acceptance/openstack/pkg.go b/acceptance/openstack/pkg.go
new file mode 100644
index 0000000..3a8ecdb
--- /dev/null
+++ b/acceptance/openstack/pkg.go
@@ -0,0 +1,4 @@
+// +build acceptance
+
+package openstack
+