full pytest testcase using get_marker on older pytest.

gistfile1.txt

import pytest


@pytest.fixture
def system_cert_with_target_path(request):
    print(pytest.__version__)
    print(request.node)
    print(dir(request.node))
    if pytest.__version__.split('.') <= ('3', '6', '0'):
        mark = request.node.get_marker("cert_filename")
    else:
        mark = request.node.get_closest_marker("cert_filename")
    print(mark)
    return mark


@pytest.mark.cert_filename('test')
def test_thing(system_cert_with_target_path):
    print(system_cert_with_target_path)
    assert False