webpack/test/cases/optimize/side-effects-immediate-unused/index.js

import { log } from "pmodule/tracker";
import { a, z } from "pmodule";

it("should not evaluate an immediate module", function() {
	expect(a).toBe("a");
	expect(z).toBe("z");
	expect(log).toEqual(["a.js", "c.js"]);
});