withTimeout: withTimeoutMock,

}));

function requireFirstTimeoutCall() {

const [call] = withTimeoutMock.mock.calls;

if (!call) {

throw new Error("expected withTimeout call");

}

return call;

}

describe("probeSlack", () => {

beforeEach(() => {

authTestMock.mockReset();

});

expect(createSlackWebClientMock).toHaveBeenCalledWith("xoxb-test");

expect(withTimeoutMock).toHaveBeenCalledTimes(1);

expect(withTimeoutMock.mock.calls[0]?.[0]).toBeInstanceOf(Promise);

expect(withTimeoutMock.mock.calls[0]?.[1]).toBe(2500);

const [promise, timeoutMs] = requireFirstTimeoutCall();

expect(promise).toBeInstanceOf(Promise);

expect(timeoutMs).toBe(2500);

});

it("keeps optional auth metadata fields undefined when Slack omits them", async () => {