def METHOD_NAME(self):
    A = AccumulatorIntegrator(noise=[10, NormalDist(standard_deviation=0.1), 20])
    A()
    A()
    A()
    val = A()
    expected_val = [[40.0, -0.43300219, 80.0]]
    for i in range(len(val)):
        for j in range(len(val[i])):
            np.testing.assert_allclose(expected_val[i][j], val[i][j])