new_contents: from st2tests.base import BaseActionTestCase
  
  from pythonactions.isprime import PrimeCheckerAction
  
  
  class PrimeCheckerActionTestCase(BaseActionTestCase):
      action_cls = PrimeCheckerAction
  
      def test_run(self):
          action = self.get_action_instance()
          result = action.run(value=1)
          self.assertFalse(result)
  
          result = action.run(value=3)
          self.assertTrue(result)
  
subject: Add tests for example is prime action.