"Authorization: Bearer 123456:abcdefghijklmnopqrstuvwxyzABCDEFG",

);

const message = spy.mock.calls.at(0)?.[0];

const message = spy.mock.calls[0]?.[0];

expect(message).toBe(

"[MatrixHttpClient] Authorization: Bearer ***:abcdefghijklmnopqrstuvwxyzABCDEFG",

);