feat: Add xmr-btc-swap repo in subdirectory

src-xmr-btc-swap/swap/tests/ensure_same_swap_id.rs

@@ -0,0 +1,21 @@
+pub mod harness;
+
+use harness::SlowCancelConfig;
+use swap::protocol::bob;
+
+#[tokio::test]
+async fn ensure_same_swap_id_for_alice_and_bob() {
+    harness::setup_test(SlowCancelConfig, |mut ctx| async move {
+        let (bob_swap, _) = ctx.bob_swap().await;
+        let bob_swap_id = bob_swap.id;
+        tokio::spawn(bob::run(bob_swap));
+
+        // once Bob's swap is spawned we can retrieve Alice's swap and assert on the
+        // swap ID
+        let alice_swap = ctx.alice_next_swap().await;
+        assert_eq!(alice_swap.swap_id, bob_swap_id);
+
+        Ok(())
+    })
+    .await;
+}