.tip

test("works") tells the reader nothing when it fails. test("refunds the full amount when the order is cancelled within 24 hours") tells them the rule that broke.

describe("cancelOrder", () => {
  it("refunds the full amount within 24 hours of purchase", …);
  it("refunds nothing after the item has shipped", …);
});

The list of names is the specification. Read it top to bottom and you should know what the module does.