def METHOD_NAME():
    vertices = np.array(
        [
            [2.0, 3.0],
            [7.0, 4.0],
            [10.0, 15.0],
            [4.0, 12.0],
            [4.5, 3.5],
            [8.5, 9.5],
            [7.0, 13.5],
            [3.0, 7.5],
            [5.75, 8.5],
        ]
    )
    field_values = np.array([7.0, 27.0, 40.0, 12.0, 13.0, 30.0, 22.0, 9.0, 16.0])
    check_all_vertices(test_quad2_sampler, vertices, field_values)