def METHOD_NAME(random_xy):
    mg = RasterModelGrid((9, 5), xy_spacing=2.0, xy_of_lower_left=random_xy)
    assert mg.xy_of_lower_left == approx(random_xy)
    assert mg.x_of_node.min() == approx(random_xy[0])
    assert mg.y_of_node.min() == approx(random_xy[1])
    xy_of_new_lower_left = random_xy[0] * 10.0, random_xy[1] * 10.0
    mg.xy_of_lower_left = xy_of_new_lower_left
    assert mg.xy_of_lower_left == approx(xy_of_new_lower_left)
    assert mg.x_of_node.min() == approx(xy_of_new_lower_left[0])
    assert mg.y_of_node.min() == approx(xy_of_new_lower_left[1])