text: from tinvest.constants import PRODUCTION, SANDBOX, STREAMING
  
  
  def test_production():
      assert PRODUCTION == 'https://api-invest.tinkoff.ru/openapi'
  
  
  def test_sandbox():
      assert SANDBOX == 'https://api-invest.tinkoff.ru/openapi/sandbox'
  
  
  def test_steaming():
      assert STREAMING == 'wss://api-invest.tinkoff.ru/openapi/md/v1/md-openapi/ws'
  