new_contents: import sys
  import unittest
  
  from libcloud.loadbalancer.types import Provider
  from libcloud.loadbalancer.providers import get_driver
  
  
  class NinefoldLbTestCase(unittest.TestCase):
      def test_driver_instantiation(self):
          cls = get_driver(Provider.NINEFOLD)
          cls('username', 'key')
  
  
  if __name__ == '__main__':
      sys.exit(unittest.main())
  
subject: Add a test case for ninefold loadbalancer driver.