Currently, any ini options added via `pytest_addoption` are flagged as unknown. They should be registered. conftest.py: ``` gnikonorov:gleb_test [master] $ cat conftest.py def pytest_addoption(parser): parser.addini("my_ini", "") gnikonorov:gleb_test [master] $ ``` pytest.ini: ``` gnikonorov:gleb_test [master] $ cat pytest.ini [pytest] my_ini=1 minversion = 3.0.0 gnikonorov:gleb_test [master] $ ``` ``` gnikonorov:gleb_test [master] $ pytest WARNING: Unknown config ini key: my_ini ... gnikonorov:gleb_test [master] $ ```