UnitTest-InitialState

describe('makeList Unit Test', function () {
    let myList = {};
    beforeEach(function () {
        myList = new makeList();
    });

    it("should contain all properties", function () {
        expect(myList.addLeft).to.exist;
        expect(myList.addRight).to.exist;
        expect(myList.clear).to.exist;
        expect(myList.toString).to.exist;
    });
});