text: import unittest
  import main
  
  
  class TestMoveZeros(unittest.TestCase):
      def test_one(self):
          """ Should moves all of the zeros to the end, preserving the order of the other elements """
          self.assertEqual([1, 1, 2, 1, 3, 0, 0], main.move_zeros([1, 0, 1, 2, 0, 1, 3]))
  
          
  if __name__ == '__main__':
      unittest.main()
  