def METHOD_NAME(self):
    self.cont1.annotations = {'val1': 1, 'val2': 2.2, 'val3': 'tester'}
    self.cont2.annotations = {'val3': False, 'val4': [4, 4.4],
                              'val5': True}
    self.cont1.merge(self.cont2)
    self.assertEqual(self.cont1.annotations,
                     {'val1': 1,
                      'val2': 2.2,
                      'val3': 'MERGE CONFLICT',
                      'val4': [4, 4.4],
                      'val5': True})