Function test_session_header_layout_preservation

tests/test_sessions.py:775–781

(basic_session, mock_env, layout_type)

    dict, list
])
def test_session_header_layout_preservation(basic_session, mock_env, layout_type):
    with open_session(basic_session, mock_env) as session:
        session['headers'] = layout_type()
        session._headers.add('Foo', 'Bar')

    with open_session(basic_session, mock_env, read_only=True) as session:
        assert isinstance(session['headers'], layout_type)


@pytest.mark.parametrize('layout_type', [