chore: Spectron for e2e tests

package.json

@@ -34,10 +34,9 @@
     "electron:windows": "npm run build:prod && electron-builder build --windows",
     "electron:mac": "npm run build:prod && electron-builder build --mac",
     "test": "npm run postinstall:web && ng test",
-    "e2e": "npm run postinstall:web && ng e2e",
+    "e2e": "npm run build:prod && mocha --timeout 300000 --require ts-node/register e2e/**/*.spec.ts",
     "version": "conventional-changelog -i CHANGELOG.md -s -r 0 && git add CHANGELOG.md"
   },
-  "dependencies": {},
   "devDependencies": {
     "@angular-devkit/build-angular": "0.12.1",
     "@angular/cli": "7.2.1",
@@ -56,6 +55,7 @@
     "@types/jasmine": "2.8.7",
     "@types/jasminewd2": "2.0.3",
     "@types/node": "8.9.4",
+    "chai": "^4.2.0",
     "codelyzer": "4.5.0",
     "conventional-changelog-cli": "2.0.11",
     "core-js": "2.6.1",
@@ -69,9 +69,10 @@
     "karma-coverage-istanbul-reporter": "2.0.4",
     "karma-jasmine": "2.0.1",
     "karma-jasmine-html-reporter": "1.4.0",
+    "mocha": "^6.0.2",
     "npm-run-all": "4.1.5",
-    "protractor": "5.4.1",
     "rxjs": "6.3.3",
+    "spectron": "^5.0.0",
     "ts-node": "7.0.1",
     "tslint": "5.11.0",
     "typescript": "3.2.2",