added new electron tests supporting date mocking (#2947)

first PR for #2942 

- added new electron tests for calendar which test new css classes from
https://github.com/MichMich/MagicMirror/pull/2939
- moved some compliments tests from `e2e` to `electron` because of date
mocking
- removed mock stuff from compliments module

modules/default/compliments/compliments.js

@@ -21,8 +21,7 @@ Module.register("compliments", {
 		morningEndTime: 12,
 		afternoonStartTime: 12,
 		afternoonEndTime: 17,
-		random: true,
-		mockDate: null
+		random: true
 	},
 	lastIndexUsed: -1,
 	// Set currentweather from module
@@ -85,7 +84,7 @@ Module.register("compliments", {
 	 */
 	complimentArray: function () {
 		const hour = moment().hour();
-		const date = this.config.mockDate ? this.config.mockDate : moment().format("YYYY-MM-DD");
+		const date = moment().format("YYYY-MM-DD");
 		let compliments;
 
 		if (hour >= this.config.morningStartTime && hour < this.config.morningEndTime && this.config.compliments.hasOwnProperty("morning")) {