def METHOD_NAME(self, _root):
    cols, first_false_time, first_false_cols = assert_frames_close(
        load_outputs(_root.joinpath("data/out_teacup.csv")),
        load_outputs(_root.joinpath("data/out_teacup_modified.csv")),
        assertion="return")
    assert cols == {"Teacup Temperature"}
    assert first_false_time == 30.
    assert first_false_cols == {"Teacup Temperature"}