removed jest testing framework and used mocha/chai instead which does not interfere with the regular build process

jest.config.js

@@ -1,6 +0,0 @@
-module.exports = {
-    transform: {'^.+\.ts?$': 'ts-jest'},
-    testEnvironment: 'node',
-    testRegex: '/tests/.*\.(ts|tsx)$',
-    moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node']
-}

package.json

@@ -9,7 +9,7 @@
     "url": "git://github.com/username/repository.git"
   },
   "scripts": {
-    "test": "jest",
+    "test": "mocha -r ts-node/register tests/**/*-test.ts",
     "clean": "gulp clean",
     "build": "gulp",
     "start": "npm run build && electron ./build",
@@ -42,15 +42,21 @@
     "bootstrap": "^4.5.3"
   },
   "devDependencies": {
+    "@types/jquery": "^3.5.1",
+    "@types/mocha": "^8.0.3",
+    "@types/chai": "^4.2.14",
     "devtron": "^1.4.0",
     "electron": "^7.2.4",
     "electron-settings": "^3.0.7",
     "electron-shortcut-normalizer": "^1.0.0",
     "electron-packager": "^15.1.0",
-    "@types/jquery": "^3.5.1",
     "gulp": "^4.0.2",
     "gulp-typescript": "^6.0.0-alpha.1",
     "gulp-exec": "^5.0.0",
-    "del": "^6.0.0"
+    "del": "^6.0.0",
+    "chai": "^4.2.0",
+    "mocha": "^8.2.0",
+    "nyc": "^15.1.0",
+    "ts-node": "^9.0.0"
   }
 }

tests/directory-test.ts

@@ -0,0 +1,5 @@
+describe('default', ()=>{
+    it('print', ()=>{
+        console.log("okay?")
+    })
+})