def METHOD_NAME(self):
    r = 2.0
    anisoClass = Anisotropy(anisotropy_type="const")
    kwargs = {"beta": 1.0}
    beta = anisoClass.beta_r(r, **kwargs)
    npt.assert_almost_equal(beta, 1, decimal=5)
    anisoClass = Anisotropy(anisotropy_type="Colin")
    kwargs = {"r_ani": 1}
    beta = anisoClass.beta_r(r, **kwargs)
    npt.assert_almost_equal(beta, 1.0 / 3, decimal=5)
    anisoClass = Anisotropy(anisotropy_type="radial")
    kwargs = {}
    beta = anisoClass.beta_r(r, **kwargs)
    npt.assert_almost_equal(beta, 1, decimal=5)
    anisoClass = Anisotropy(anisotropy_type="isotropic")
    kwargs = {}
    beta = anisoClass.beta_r(r, **kwargs)
    npt.assert_almost_equal(beta, 0, decimal=5)
    anisoClass = Anisotropy(anisotropy_type="OM")
    kwargs = {"r_ani": 1}
    beta = anisoClass.beta_r(r, **kwargs)
    npt.assert_almost_equal(beta, 0.8, decimal=5)