def METHOD_NAME(self):
    model = FABATaperGaussian(sigma=30., a=-100., b=100.)
    expected = np.array([0.0, 0.0, 0.158362087, 0.5,
                         0.841637913, 1.0, 1.0])
    np.testing.assert_array_almost_equal(model(self.x), expected, 7)