diff --git a/core-buffer/test/test_FastQueue.cpp b/core-buffer/test/test_FastQueue.cpp
index 0d31142..e720c21 100644
--- a/core-buffer/test/test_FastQueue.cpp
+++ b/core-buffer/test/test_FastQueue.cpp
@@ -145,4 +145,6 @@ TEST(FaseQueue, array_parameter)
         ASSERT_EQ(module_metadata.n_received_packets, i_module);
         ASSERT_EQ(module_metadata.module_id, i_module);
     }
-}
\ No newline at end of file
+}
+
+// TODO: Test with payload of zero (metadata only).
\ No newline at end of file