diff --git a/rosidl_generator_py/CMakeLists.txt b/rosidl_generator_py/CMakeLists.txt
index e5ff834f..e28afa99 100644
--- a/rosidl_generator_py/CMakeLists.txt
+++ b/rosidl_generator_py/CMakeLists.txt
@@ -49,6 +49,7 @@ if(BUILD_TESTING)
       msg/BuiltinTypeSequencesIdl.idl
       msg/StringArrays.msg
       msg/Property.msg
+      srv/GetBuffer.srv
       ADD_LINTER_TESTS
       SKIP_INSTALL
     )
diff --git a/rosidl_generator_py/srv/GetBuffer.srv b/rosidl_generator_py/srv/GetBuffer.srv
new file mode 100644
index 00000000..51598241
--- /dev/null
+++ b/rosidl_generator_py/srv/GetBuffer.srv
@@ -0,0 +1,2 @@
+---
+uint8[] res