How to use the h3.h3_to_parent function in h3

def test_parent():
    h = '8928308280fffff'

    assert h3.h3_to_parent(h, 7) == '872830828ffffff'
    assert h3.h3_to_parent(h, 8) == '8828308281fffff'
    assert h3.h3_to_parent(h, 9) == h

    with pytest.raises(H3ResolutionError):
        h3.h3_to_parent(h, 10)

def test_parent():
    h = '8928308280fffff'

    assert h3.h3_to_parent(h, 7) == '872830828ffffff'
    assert h3.h3_to_parent(h, 8) == '8828308281fffff'
    assert h3.h3_to_parent(h, 9) == h

    with pytest.raises(H3ResolutionError):
        h3.h3_to_parent(h, 10)

def test_h3_to_parent():
    h = '89283082813ffff'
    assert h3.h3_to_parent(h, 8) == '8828308281fffff'

def test_parent():
    h = '8928308280fffff'

    assert h3.h3_to_parent(h, 7) == '872830828ffffff'
    assert h3.h3_to_parent(h, 8) == '8828308281fffff'
    assert h3.h3_to_parent(h, 9) == h

    with pytest.raises(H3ResolutionError):
        h3.h3_to_parent(h, 10)

def test_validation():
    h = '8a28308280fffff'  # invalid cell

    with pytest.raises(H3CellError):
        h3.h3_get_base_cell(h)

    with pytest.raises(H3CellError):
        h3.h3_get_resolution(h)

    with pytest.raises(H3CellError):
        h3.h3_to_parent(h, 9)

    with pytest.raises(H3CellError):
        h3.h3_distance(h, h)

    with pytest.raises(H3CellError):
        h3.k_ring(h, 1)

    with pytest.raises(H3CellError):
        h3.hex_ring(h, 1)

    with pytest.raises(H3CellError):
        h3.h3_to_children(h, 11)

    with pytest.raises(H3CellError):
        h3.compact({h})

def test_parent():
    h = '8928308280fffff'

    assert h3.h3_to_parent(h, 7) == '872830828ffffff'
    assert h3.h3_to_parent(h, 8) == '8828308281fffff'
    assert h3.h3_to_parent(h, 9) == h

    with pytest.raises(H3ResolutionError):
        h3.h3_to_parent(h, 10)