diff --git a/test_data/of13/echo_request.data b/test_data/of13/echo_request.data
new file mode 100644
index 0000000..4cedbc7
--- /dev/null
+++ b/test_data/of13/echo_request.data
@@ -0,0 +1,9 @@
+-- binary
+04 02 # version, type
+00 0b # length
+12 34 56 78 # xid
+61 62 63 # data
+-- python
+ofp.message.echo_request(
+    xid=0x12345678,
+    data="abc")