def METHOD_NAME(self):
    """Test SK random instance method"""
    import matplotlib.pyplot as plt
    seed = 1234
    sk_random_prob = SK.random_instance(n_nodes=10, seed=seed)
    sol = {
        "x_0": 1.0,
        "x_1": 1.0,
        "x_2": 0,
        "x_3": 1.0,
        "x_4": 0,
        "x_5": 1.0,
        "x_6": 0,
        "x_7": 0,
        "x_8": 0,
        "x_9": 1.0,
    }
    fig, ax = plt.subplots()
    sk_random_prob.plot_solution(sol, ax=ax)
    self.assertTrue(isinstance(ax, plt.Axes))