def METHOD_NAME(self):
    for _ in range(10):
        v = np.random.rand(3)
        dcm, local = _direction_cosine_matrix_debugging(*v, debug=True)
        self.assert_maths_good(dcm, msg=f"coords: {v}")
        self.assert_works_good(dcm, local, msg=f"coords: {v}")
        self.plot_nodes(
            Node(1, 1, 1, 0), Node(1 + v[0], 1 + v[1], 1 + v[2], 1), local
        )