new_contents: import eventlet
  import tests
  
  class EventletTests(tests.TestCase):
      def test_soon_spawn(self):
          result = []
  
          def func1():
              result.append("spawn")
  
          def func2():
              result.append("spawn_after")
              self.loop.call_soon_threadsafe(self.loop.stop)
  
          def schedule_greenthread():
              eventlet.spawn(func1)
              eventlet.spawn_after(0.001, func2)
  
          self.loop.call_soon(schedule_greenthread)
          self.loop.run_forever()
          self.assertEqual(result, ["spawn", "spawn_after"])
  
  
  if __name__ == '__main__':
      import unittest
      unittest.main()
  
subject: add eventlet tests