wp-calypso/client/signup/test/mocks/lib/user/index.js

/**
 * User stub
 *
 */

let isLoggedIn = false;

export default function () {
	return {
		get: function () {
			return isLoggedIn;
		},

		setLoggedIn: function ( newIsLoggedIn ) {
			isLoggedIn = newIsLoggedIn;
		},
	};
}