new_contents: from mclearn.aggregators import schulze_method
  
  
  class TestAggregators:
      @classmethod
      def setup_class(cls):
          cls.voters = \
              [['A', 'C', 'B', 'E', 'D']] * 5 + \
              [['A', 'D', 'E', 'C', 'B']] * 5 + \
              [['B', 'E', 'D', 'A', 'C']] * 8 + \
              [['C', 'A', 'B', 'E', 'D']] * 3 + \
              [['C', 'A', 'E', 'B', 'D']] * 7 + \
              [['C', 'B', 'A', 'D', 'E']] * 2 + \
              [['D', 'C', 'E', 'B', 'A']] * 7 + \
              [['E', 'B', 'A', 'D', 'C']] * 8
  
  
      def test_schulze_method(self):
          # verify example on http://wiki.electorama.com/wiki/Schulze_method
          assert schulze_method(self.voters, 5) == ['E', 'A', 'C', 'B', 'D']
  
  
subject: Add test case for Schulze method