Make the bitcoin Algorithm test a unit test

coins/bitcoin/src/lib.rs

@@ -14,3 +14,6 @@ pub(crate) mod crypto;
 pub mod wallet;
 /// A minimal asynchronous Bitcoin RPC client.
 pub mod rpc;
+
+#[cfg(test)]
+mod tests;

coins/bitcoin/src/tests/crypto.rs

@@ -12,7 +12,7 @@ use frost::{
   tests::{algorithm_machines, key_gen, sign},
 };
 
-use bitcoin_serai::{
+use crate::{
   bitcoin::hashes::{Hash as HashTrait, sha256::Hash},
   crypto::{x_only, make_even, Schnorr},
 };

coins/bitcoin/src/tests/mod.rs

@@ -0,0 +1 @@
+mod crypto;