def test_clarsach_rmf(self):
        arf_c = ARF(self.arffile)
        rmf_c = RMF(self.rmffile)

        m_arf_c = arf_c.apply_arf(self.m, self.exposure)
        m_rmf_c = rmf_c.apply_rmf(m_arf_c)

        assert np.allclose(self.sherpa_rmf, m_rmf_c)
    def test_clarsach_rmf(self):
        rmf_c = RMF(self.rmffile)

        m_rmf_c = rmf_c.apply_rmf(self.m)

        assert np.allclose(self.sherpa_rmf, m_rmf_c)
    def test_clarsach_rmf(self):
        rmf_c = RMF("data/NICER_May2014_rbn.rsp")

        m_rmf_c = rmf_c.apply_rmf(self.m)

        assert np.allclose(self.sherpa_rmf, m_rmf_c)