text: import pytest
  from google.protobuf.any_pb2 import Any
  
  from chainlibpy.generated.cosmos.auth.v1beta1.auth_pb2 import BaseAccount
  from chainlibpy.generated.cosmos.auth.v1beta1.query_pb2 import (
      QueryAccountRequest,
      QueryAccountResponse,
  )
  from chainlibpy.generated.cosmos.auth.v1beta1.query_pb2_grpc import (
      QueryServicer as AuthQueryServicer,
  )
  from chainlibpy.generated.cosmos.auth.v1beta1.query_pb2_grpc import (
      add_QueryServicer_to_server as add_auth,
  )
  from chainlibpy.generated.cosmos.bank.v1beta1.query_pb2 import (
      QueryBalanceRequest,
      QueryBalanceResponse,
  )
  from chainlibpy.generated.cosmos.bank.v1beta1.query_pb2_grpc import (
      QueryServicer as BankQueryServicer,
  )
  from chainlibpy.generated.cosmos.bank.v1beta1.query_pb2_grpc import (
      add_QueryServicer_to_server as add_bank,
  )
  from chainlibpy.generated.cosmos.base.v1beta1.coin_pb2 import Coin
  from chainlibpy.generated.cosmos.tx.v1beta1.service_pb2_grpc import (
      ServiceServicer as TxServiceServicer,
  )
  from chainlibpy.generated.cosmos.tx.v1beta1.service_pb2_grpc import (
      add_ServiceServicer_to_server as add_tx,
  )
  from chainlibpy.grpc_client import GrpcClient
  from chainlibpy.wallet import Wallet
  
  
  class MockBankQueryServicer(BankQueryServicer):
      def Balance(self, request: QueryBalanceRequest, context) -> QueryBalanceResponse:
          if request.address == "cro1yj3fd8gxrqd2662p8ywp26t4hfws9p5n75xjum":
              return QueryBalanceResponse(balance=Coin(amount="100000000", denom="basecro"))
  
  
  class MockAuthQueryServicer(AuthQueryServicer):
      def Account(self, request: QueryAccountRequest, context) -> QueryAccountResponse:
          if request.address == "cro1yj3fd8gxrqd2662p8ywp26t4hfws9p5n75xjum":
              acc = BaseAccount(account_number=1)
              any = Any()
              any.Pack(acc)
              return QueryAccountResponse(account=any)
  
  
  class MockTxServiceServicer(TxServiceServicer):
      pass
  
  
  @pytest.fixture(scope="module")
  def mock_grpc_client(_grpc_server, grpc_addr):
      seed = "burst negative solar evoke traffic yard lizard next series foster seminar enter wrist captain bulb trap giggle country sword season shoot boy bargain deal"  # noqa 501
      wallet = Wallet(seed)
  
      add_bank(MockBankQueryServicer(), _grpc_server)
      add_auth(MockAuthQueryServicer(), _grpc_server)
      add_tx(MockTxServiceServicer(), _grpc_server)
  
      _grpc_server.add_insecure_port(grpc_addr)
      _grpc_server.start()
  
      yield GrpcClient(wallet, "chainmaind", grpc_addr)
      _grpc_server.stop(grace=None)
  
  
  def test_get_balance(mock_grpc_client):
      balance = mock_grpc_client.get_balance("cro1yj3fd8gxrqd2662p8ywp26t4hfws9p5n75xjum", "basecro")
      assert balance == QueryBalanceResponse(balance=Coin(amount="100000000", denom="basecro"))
  