text: import responses
  
  from urllib.parse import urlencode
  from tests.util import random_str
  from tests.util import mock_http_response
  from binance.spot import Spot as Client
  
  mock_item = {"key_1": "value_1", "key_2": "value_2"}
  
  key = random_str()
  secret = random_str()
  
  params = {"isIsolated": "TRUE", "symbol": "BNBUSDT"}
  
  client = Client(key, secret)
  
  
  @mock_http_response(
      responses.GET,
      "/sapi/v1/margin/rateLimit/order\\?" + urlencode(params),
      mock_item,
      200,
  )
  def test_margin_fee():
      """Tests the API endpoint to displays the user's current margin order count usage for all intervals"""
  
      response = client.margin_order_usage(**params)
      response.should.equal(mock_item)
  