Touch up PR 356
diff --git a/tests/ffi/lib.rs b/tests/ffi/lib.rs
index a0a2a73..7cffded 100644
--- a/tests/ffi/lib.rs
+++ b/tests/ffi/lib.rs
@@ -4,8 +4,8 @@
     clippy::trivially_copy_pass_by_ref
 )]
 
-pub mod module;
 pub mod extra;
+pub mod module;
 
 use cxx::{CxxString, CxxVector, UniquePtr};
 use std::fmt::{self, Display};