def METHOD_NAME(self):
    df = self.tridf.copy(deep=True)  # copy df
    # test that the label modes can be called
    for mode in ["numeric", "simple", "latex"]:
        for m in [df.pyrocomp.ALR, df.pyrocomp.CLR, df.pyrocomp.ILR]:
            with self.subTest(mode=mode, m=m):
                out = m(label_mode=mode)