'Test multiple parameter model with array-valued parameters of the same
size as the number of parameter sets.'

def test_array_parameter4(self):

    t4 = TParModel([[1, 2], [3, 4]], [5, 6], model_set_axis=False)
    assert (len(t4) == 1)
    assert (t4.coeff.shape == (2, 2))
    assert (t4.e.shape == (2,))
    assert np.issubdtype(t4.param_sets.dtype, object)
    assert np.all((t4.param_sets[0] == [[1, 2], [3, 4]]))
    assert np.all((t4.param_sets[1] == [5, 6]))
