const sum = require("./sum"); beforeEach(() => { console.log("sum.test: beforeEach"); }); afterEach(() => { console.log("sum.test: afterEach"); }); beforeAll(() => { console.log("sum.test: beforeAll"); }); afterAll(() => { console.log("sum.test: afterAll"); }); test("adds 1 + 2 to equal 3", () => { console.log("Running simple test"); expect(sum(1, 2)).toBe(3); });