def test_is_subset_of_failure(self):
        try:
            assert_that(['a','b','c']).is_subset_of(['a','b'])
            fail('should have raised error')
        except __HOLE__ as ex:
            assert_that(str(ex)).is_equal_to("Expected <['a', 'b', 'c']> to be subset of ['a', 'b'], but <c> was missing.")
dataset/ETHPy150Open ActivisionGameScience/assertpy/tests/test_collection.py/TestCollection.test_is_subset_of_failure