anchor.diff:        addressTableExists(pool).then((exists) {
           completer.complete(exists);
         });
  -    });
  +    }, onError: () => print("table resident_response exists"));
     });
   
     return completer.future;
  
positive.code:       addressTableExists(pool).then((exists) {
          completer.complete(exists);
        });
      });
    });
  
    return completer.future;
  
negative.code:       addressTableExists(pool).then((exists) {
          completer.complete(exists);
        });
      }, onError: () => print("table address exists"));
    });
  
    return completer.future;
  