refactor(semaphore): Use crate::protocol for tests

Instead of semaphore-rs as black box.

semaphore/src/lib.rs

@@ -1,8 +1,17 @@
+#![allow(clippy::multiple_crate_versions)]
+
+pub mod protocol;
+pub mod circuit;
+
+#[cfg(feature = "dylib")]
+pub use circuit::initialize;
+
 #[cfg(test)]
 mod tests {
     use semaphore::{
-        hash_to_field, identity::Identity, poseidon_tree::PoseidonTree, protocol::*, Field,
+        hash_to_field, identity::Identity, poseidon_tree::PoseidonTree, Field,
     };
+    use crate::protocol::*;
 
     #[test]
     fn test_semaphore() {