Try out a mockdate class

tests/e2e/modules/compliments_spec.js

@@ -1,6 +1,6 @@
 const helpers = require("../global-setup");
 const expect = require("chai").expect;
-const moment = require("moment");
+const MockDate = require("./mocks/date.js");
 
 const describe = global.describe;
 const it = global.it;
@@ -93,36 +93,20 @@ describe("Compliments module", function() {
 
 	describe("Feature date in compliments module", function() {
 		describe("Set date and empty compliments for anytime, morning, evening and afternoon", function() {
-			let RealDate;
-
 			before(function() {
 				// Set config sample for use in test
 				process.env.MM_CONFIG_FILE = "tests/configs/modules/compliments/compliments_date.js";
-
-				RealDate = Date;
-				let customTimeMs = moment("2015-10-12T06:00:00.000Z").valueOf();
-
-				function MockDate() {
-					return new RealDate(customTimeMs);
-				}
-
-				MockDate.now = function () {
-					return new MockDate().valueOf();
-				};
-
-				MockDate.prototype = RealDate.prototype;
-
-				Date = MockDate;
+				MockDate.set("2000-12-10");
 			});
 
-			it("Show anytime because if configure empty parts of day compliments and set anytime compliments", function() {
+			it("Show happy birthday compliment on special date", function() {
 				return app.client.waitUntilWindowLoaded().getText(".compliments").then(function(text) {
 					expect(text).to.be.oneOf(["Happy birthday, Ada Lovelace!"]);
 				});
 			});
 
 			after(function() {
-				Date = RealDate;
+				MockDate.reset();
 			});
 		});
 	});