def monomer(self, *args, **kwargs):
        m = Monomer(*args, _export=False, **kwargs)
        self.model.add_component(m)
        return m
This test verifies that the content of each connection matches the
dataset/ETHPy150Open pysb/pysb/pysb/builder.py/Builder.monomer--crossover with--dataset/ETHPy150Open openworm/PyOpenWorm/tests/DataIntegrityTest.py/DataIntegrityTest.test_connection_content_matches