old_contents: import unittest
  
  from aids.sorting_and_searching.quicksort import quicksort
  
  class QuicksortTestCase(unittest.TestCase):
      '''
      Unit tests for quicksort
      '''
  
      def setUp(self):
          self.example_1 = [18,5,3,1,19,6,0,7,4,2,5]
  
      def test_mergesort(self):
          quicksort(self.example_1)
          self.assertEqual(self.example_1,[0,1,2,3,4,5,5,6,7,18,19])
          
      def tearDown(self):
          pass
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: import unittest
  
  from aids.sorting_and_searching.quicksort import quicksort
  
  class QuicksortTestCase(unittest.TestCase):
      '''
      Unit tests for quicksort
      '''
  
      def setUp(self):
          self.example_1 = [18,5,3,1,19,6,0,7,4,2,5]
  
      def test_quicksort(self):
          quicksort(self.example_1)
          self.assertEqual(self.example_1,[0,1,2,3,4,5,5,6,7,18,19])
          
      def tearDown(self):
          pass
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Update test_quicksort.py