import { expect, test, vi } from "vitest"; import { add } from "./add"; // Disables a package that checks that code is only executed on the server side. // Also, this mock can be defined in the Vitest setup file. vi.mock("server-only", () => { return {}; }); test("Test functions that import server-only", () => { expect(add(1, 2)).toBe(3); });