new_contents: from LiSE.examples import college, kobold, polygons, sickle
  
  
  def test_college(engy):
      college.install(engy)
      engy.turn = 10  # wake up the students
      engy.next_turn()
  
  
  def test_kobold(engy):
      kobold.inittest(engy, shrubberies=20, kobold_sprint_chance=.9)
      for i in range(10):
          engy.next_turn()
  
  
  def test_polygons(engy):
      polygons.install(engy)
      for i in range(10):
          engy.next_turn()
  
  
  def test_sickle(engy):
      sickle.install(engy)
      for i in range(10):
          engy.next_turn()
  
subject: Add tests to make sure the examples run