old_contents: # MIT License
  # Copyright (c) 2017 MassChallenge, Inc.
  
  from test_plus.test import TestCase
  from impact.tests.factories import (
      FunctionalExpertiseFactory,
      IndustryFactory,
      StartupProgramInterestFactory,
      StartupFactory,
  )
  
  
  class TestTimestamps(TestCase):
      def test_currency(self):
          startup = StartupFactory()
          assert startup.created_at <= startup.updated_at
  
      def test_non_mc_models(self):
          for factory in [FunctionalExpertiseFactory,
                          IndustryFactory,
                          StartupProgramInterestFactory]:
              obj = factory()
              with self.assertRaises(AttributeError):
                  assert obj.created_at <= obj.updated_at
  
new_contents: # MIT License
  # Copyright (c) 2017 MassChallenge, Inc.
  
  from test_plus.test import TestCase
  from impact.tests.factories import (
      FunctionalExpertiseFactory,
      IndustryFactory,
      StartupProgramInterestFactory,
      StartupFactory,
  )
  
  
  class TestTimestamps(TestCase):
      def test_startup(self):
          startup = StartupFactory()
          assert startup.created_at <= startup.updated_at
  
      def test_non_mc_models(self):
          for factory in [FunctionalExpertiseFactory,
                          IndustryFactory,
                          StartupProgramInterestFactory]:
              obj = factory()
              assert obj.created_at <= obj.updated_at
  
subject: fix test to match updated timestamp behavior.