def METHOD_NAME(self):
    unittest.TestCase.METHOD_NAME(self)
    self.gt = GeometryTranslation(pos_names=["pos_dist", "pos_angle"],
                                  param_names=["dist_scale", "dist_offset",
                                               "poni1", "poni2", "rot1",
                                               "rot2_scale", "rot2_offset"],
                                  dist_expr="pos_dist * dist_scale + dist_offset",
                                  poni1_expr="poni1",
                                  poni2_expr="poni2",
                                  rot1_expr="rot1",
                                  rot2_expr="pos_angle * rot2_scale + rot2_offset",
                                  rot3_expr="0.0",
                                  )