diff --git a/crates/webidl/tests/all/consts.rs b/crates/webidl/tests/all/consts.rs
new file mode 100644
index 00000000..162c6b3f
--- /dev/null
+++ b/crates/webidl/tests/all/consts.rs
@@ -0,0 +1 @@
+use super::project;
diff --git a/crates/webidl/tests/all/main.rs b/crates/webidl/tests/all/main.rs
index 10518c13..3815c632 100644
--- a/crates/webidl/tests/all/main.rs
+++ b/crates/webidl/tests/all/main.rs
@@ -1,6 +1,7 @@
 extern crate wasm_bindgen_test_project_builder as project_builder;
 use project_builder::project;
 
+mod consts;
 mod enums;
 mod simple;
 mod throws;