def test_inertia_eigenvec(self, value):
        state = np.array([1., 0., 0., 0., 0.1, -0.02, -0.2])
        mySat = Satellite(state, 128.05)
        mySat.setPos(value)
        mySat.setVel(np.array([5.60, -5.0, 0.0]))
        result = dist.gg_torque(mySat)

        self.assertTrue(np.allclose(result, [0., 0., 0.]))
 def test_gg_data_type(self):
     sat = Satellite(np.array([1., 0., 0., 0., 0., 0., 0.]), 13.)
     sat.setPos(np.array([7070e3, 0., 0.]))
     result = dist.gg_torque(sat)
     self.assertEqual(type(result), np.ndarray)