3.6Response Time Validation

def test_list_users_response_time(api):
    r = api.get("/users")
    assert r.elapsed.total_seconds() < 2.0, \
        f"Response took {r.elapsed.total_seconds():.2f}s (limit: 2s)"

def test_health_check_fast(base_url):
    r = requests.get(f"{base_url}/health")
    assert r.elapsed.total_seconds() < 0.5