diff --git a/src/protocol/mod.rs b/src/protocol/mod.rs
index bd3189dcd0b4ad9299940d53507fbca0327686fd..a78613e1189f2faa09bf748d2b550dd42158dc54 100644
--- a/src/protocol/mod.rs
+++ b/src/protocol/mod.rs
@@ -4,6 +4,7 @@ mod eval;
 pub(crate) mod inputsource;
 // mod lexer;
 mod parser;
+#[cfg(test)] mod tests;
 
 // TODO: Remove when not benchmarking
 pub(crate) mod ast;