Revise require imports (#3071)

- order (external first)
- remove superfluous file extensions
- new line after imports
- deconstruct (only one time (in `check_config.js`))
- fix path (only one time (in `global-setup.js`))

tests/unit/classes/translator_spec.js

@@ -2,6 +2,7 @@ const path = require("path");
 const helmet = require("helmet");
 const { JSDOM } = require("jsdom");
 const express = require("express");
+
 const sockets = new Set();
 
 describe("Translator", () => {

tests/unit/classes/utils_spec.js

@@ -1,5 +1,5 @@
-const Utils = require("../../../js/utils.js");
 const colors = require("colors/safe");
+const Utils = require("../../../js/utils");
 
 describe("Utils", () => {
 	describe("colors", () => {

tests/unit/functions/calendar_spec.js

@@ -10,7 +10,7 @@ describe("Functions into modules/default/calendar/calendar.js", () => {
 
 	beforeAll(() => {
 		// load calendar.js
-		require("../../../modules/default/calendar/calendar.js");
+		require("../../../modules/default/calendar/calendar");
 	});
 
 	describe("capFirst", () => {

tests/unit/functions/weather_object_spec.js

@@ -1,5 +1,5 @@
-const WeatherObject = require("../../../modules/default/weather/weatherobject.js");
-const WeatherUtils = require("../../../modules/default/weather/weatherutils.js");
+const WeatherObject = require("../../../modules/default/weather/weatherobject");
+const WeatherUtils = require("../../../modules/default/weather/weatherutils");
 
 global.moment = require("moment-timezone");
 global.SunCalc = require("suncalc");

tests/unit/modules/default/utils_spec.js

@@ -1,4 +1,5 @@
-const { performWebRequest } = require("../../../../modules/default/utils.js");
+const { performWebRequest } = require("../../../../modules/default/utils");
+
 const nodeVersion = process.version.match(/^v(\d+)\.*/)[1];
 
 describe("Utils tests", () => {

tests/unit/modules/default/weather/weather_utils_spec.js

@@ -1,4 +1,4 @@
-const weather = require("../../../../../modules/default/weather/weatherutils.js");
+const weather = require("../../../../../modules/default/weather/weatherutils");
 
 describe("Weather utils tests", () => {
 	describe("convertPrecipitationUnit tests", () => {