async def METHOD_NAME(client):
    input_ap_true = {
        'birthdate': '2017-12-13T02:29:51Z',
        'complexProperty': {'color': 'Red'},
        'id': 1,
        'name': 'Lisa',
        'friendly': True
    }
    output_ap_true = await client.pets.create_cat_ap_true(input_ap_true)
    assert output_ap_true['birthdate'] ==  '2017-12-13T02:29:51Z'