Use byte strings in tests

cfd_protocol/src/lib.rs

@@ -865,7 +865,7 @@ mod tests {
         let orig_maker_amount = 1000;
         let orig_taker_amount = 1000;
         let payout = Payout::new(
-            "win".to_string().into_bytes(),
+            b"win".to_vec(),
             Amount::from_sat(orig_maker_amount),
             Amount::from_sat(orig_taker_amount),
         );
@@ -895,7 +895,7 @@ mod tests {
         let orig_maker_amount = dummy_dust_limit.as_sat() - 1;
         let orig_taker_amount = 1000;
         let payout = Payout::new(
-            "win".to_string().into_bytes(),
+            b"win".to_vec(),
             Amount::from_sat(orig_maker_amount),
             Amount::from_sat(orig_taker_amount),
         );

cfd_protocol/tests/dlc_protocol.rs

@@ -30,12 +30,12 @@ fn run_cfd_protocol() {
 
     let payouts = vec![
         Payout::new(
-            "win".to_string().into_bytes(),
+            b"win".to_vec(),
             Amount::from_btc(2.0).unwrap(),
             Amount::ZERO,
         ),
         Payout::new(
-            "lose".to_string().into_bytes(),
+            b"lose".to_vec(),
             Amount::ZERO,
             Amount::from_btc(2.0).unwrap(),
         ),