old_contents: # package
  from test_doctests import test_suite
  
new_contents: from unittest import TestSuite
  
  import test_doctests, test_prepared
  
  def test_suite():
      suite = TestSuite()
      suite.addTest(test_doctests.test_suite())
      suite.addTest(test_prepared.test_suite())
      return suite
  
  
subject: Integrate tests of prepared geoms into main test suite.