webpack/test/configCases/externals/externals-system-custom/test.config.js

const System = require("../../../helpers/fakeSystem");

module.exports = {
	target: "web",
	beforeExecute: () => {
		System.init();
	},
	moduleScope(scope) {
		scope.window.windowExt = "works";
		scope.rootExt = "works";
		scope.varExt = "works";
		scope.System = System;
	},
	afterExecute: () => {
		System.execute("(anonym)");
	}
};