yanglint TEST for option --type rpc and reply
diff --git a/tools/lint/tests/data/modrpc.xml b/tools/lint/tests/data/modrpc.xml
new file mode 100644
index 0000000..a4f924d
--- /dev/null
+++ b/tools/lint/tests/data/modrpc.xml
@@ -0,0 +1,3 @@
+<rpc xmlns="urn:yanglint:modrpc">
+  <lfi>some_input</lfi>
+</rpc>