[blockchain] Fix receiving a coinbase using Electrum/Esplora

Closes #107

testutils-macros/src/lib.rs

@@ -520,6 +520,21 @@ pub fn bdk_blockchain_tests(attr: TokenStream, item: TokenStream) -> TokenStream
                     assert_eq!(wallet.get_balance().unwrap(), 0);
                     assert_eq!(new_details.received, 0);
                 }
+
+                #[test]
+                #[serial]
+                fn test_sync_receive_coinbase() {
+                    let (wallet, descriptors, mut test_client) = init_single_sig();
+                    let wallet_addr = wallet.get_new_address().unwrap();
+
+                    wallet.sync(noop_progress(), None).unwrap();
+                    assert_eq!(wallet.get_balance().unwrap(), 0);
+
+                    test_client.generate(1, Some(wallet_addr));
+
+                    wallet.sync(noop_progress(), None).unwrap();
+                    assert!(wallet.get_balance().unwrap() > 0);
+                }
             }
 
                         };