Fix tests to assert for new error

Author: elizabethengelman

cmd/crates/stellar-ledger/src/lib.rs

@@ -476,7 +476,8 @@ mod test {
         let test_hash = b"3389e9f0f1a65f19736cacf544c2e825313e8447f569233bb8db39aa607c8889";
 
         let err = ledger.sign_blob(&path.into(), test_hash).await.unwrap_err();
-        if let Error::APDUExchangeError(msg) = err {
+
+        if let Error::BlindSigningModeNotEnabled(msg) = err {
             assert_eq!(msg, "Ledger APDU retcode: 0x6C66");
         } else {
             panic!("Unexpected error: {err:?}");

cmd/crates/stellar-ledger/tests/test/emulator_tests.rs

@@ -165,7 +165,7 @@ async fn test_sign_tx_hash_when_hash_signing_is_not_enabled(ledger_device_model:
     let test_hash = b"313e8447f569233bb8db39aa607c8889";
 
     let result = ledger.sign_transaction_hash(path, test_hash).await;
-    if let Err(Error::APDUExchangeError(msg)) = result {
+    if let Error::BlindSigningModeNotEnabled(msg) = result {
         assert_eq!(msg, "Ledger APDU retcode: 0x6C66");
         // this error code is SW_TX_HASH_SIGNING_MODE_NOT_ENABLED https://github.com/LedgerHQ/app-stellar/blob/develop/docs/COMMANDS.md
     } else {