fix

package.json

@@ -20,6 +20,7 @@
     "@angular/platform-browser-dynamic": "~8.2.14",
     "@angular/router": "~8.2.14",
     "@ionic-native/core": "^5.0.0",
+    "@ionic-native/onesignal": "^5.23.0",
     "@ionic-native/splash-screen": "^5.0.0",
     "@ionic-native/status-bar": "^5.0.0",
     "@ionic/angular": "^5.0.0",
@@ -49,7 +50,7 @@
     "cordova-plugin-whitelist": "^1.3.3",
     "jasmine-core": "~3.4.0",
     "jasmine-spec-reporter": "~4.2.1",
-    "karma": "~4.1.0",
+    "karma": "^4.4.1",
     "karma-chrome-launcher": "~2.2.0",
     "karma-coverage-istanbul-reporter": "~2.0.1",
     "karma-jasmine": "~2.0.1",
@@ -67,7 +68,8 @@
       "cordova-plugin-device": {},
       "cordova-plugin-splashscreen": {},
       "cordova-plugin-ionic-webview": {},
-      "cordova-plugin-ionic-keyboard": {}
+      "cordova-plugin-ionic-keyboard": {},
+      "onesignal-cordova-plugin": {}
     },
     "platforms": [
       "android",