def assertIs(self, a, b):
        if a is not b:
            raise AssertionError("{} is not {}".format(a, b))
checkbox group data extraction works as intended
dataset/ETHPy150Open ga4gh/server/tests/datadriven/__init__.py/TestCase.assertIs--crossover with--dataset/ETHPy150Open icook/yota/src/yota/tests/test_nodes.py/TestNodeSpecific.test_checkgroup