Update tests for new AddressInfo type

bdk-python/tests/test_bdk.py

@@ -27,7 +27,7 @@ class TestSimpleBip84Wallet(unittest.TestCase):
             database_config=db_config
         )
         address_info = wallet.get_address(bdk.AddressIndex.LAST_UNUSED())
-        address = address_info.address
+        address = address_info.address.as_string()
         # print(f"New address is {address}")
         assert address == "tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e", f"Wrong address {address}, should be tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e"