Fixture auth_token

@pytest.fixture(scope="session")
def auth_token(api_context):
    """Dang nhap 1 lan dau phien test, dung lai token nay cho cac test can quyen sua/xoa."""
    response = api_context.post("/auth", data={"username": "admin", "password": "password123"})
    assert response.ok  # dang nhap phai thanh cong moi lay duoc token
    return response.json()["token"]