adding test case for action_id_output
diff --git a/test_data/of13/action_id_output.data b/test_data/of13/action_id_output.data
new file mode 100644
index 0000000..683ffec
--- /dev/null
+++ b/test_data/of13/action_id_output.data
@@ -0,0 +1,7 @@
+-- binary
+00 00 # type
+00 04 # length
+-- python
+ofp.action_id.output()
+-- c
+obj = of_action_id_output_new(OF_VERSION_1_3);