def test_is_subset_of_failure(self):
        try:
            assert_that(set([1,2,3])).is_subset_of(set([1,2]))
            fail('should have raised error')
        except __HOLE__ as ex:
            assert_that(str(ex)).is_equal_to('Expected <%s> to be subset of [1, 2], but <3> was missing.' % set([1,2,3]))
dataset/ETHPy150Open ActivisionGameScience/assertpy/tests/test_collection.py/TestCollection.test_is_subset_of_failure