def METHOD_NAME(self, system_frame):
    m = system_frame
    set_operating_conditions(m)
    # test feed
    assert pytest.approx(0.011574, rel=1e-3) == value(
        m.fs.feed.flow_mass_comp[0, "H2O"]
    )
    assert pytest.approx(4.6293e-10, rel=1e-3) == value(
        m.fs.feed.flow_mass_comp[0, "arsenic"]
    )
    assert pytest.approx(6.94444e-10, rel=1e-3) == value(
        m.fs.feed.flow_mass_comp[0, "uranium"]
    )
    assert pytest.approx(1.15741e-7, rel=1e-3) == value(
        m.fs.feed.flow_mass_comp[0, "nitrate"]
    )
    assert pytest.approx(1.15741e-9, rel=1e-3) == value(
        m.fs.feed.flow_mass_comp[0, "phosphates"]
    )
    assert pytest.approx(5.787037e-9, rel=1e-3) == value(
        m.fs.feed.flow_mass_comp[0, "iron"]
    )
    assert pytest.approx(1.15741e-9, rel=1e-3) == value(
        m.fs.feed.flow_mass_comp[0, "filtration_media"]
    )
    # test pump head
    assert pytest.approx(30, rel=1e-3) == value(m.fs.pump.lift_height)