assert response.status_code == 500, response.text
    assert state["/async_raise"] == "asyncgen raise finalized"
    assert "/async_raise" in errors
    errors.clear()


def test_context_b():
    response = client.get("/context_b")
    data = response.json()
    assert data["context_b"] == "started b"
    assert data["context_a"] == "started a"