Disable Notifications in Test Mode

lib/notification_manager.dart

@@ -154,6 +154,12 @@ class NixNotificationManager implements NotificationsManager {
 }
 
 NotificationsManager newDesktopNotificationsManager(Future<void> Function(String profileOnion, int convoId) notificationSelectConvo) {
+
+  // We don't want notifications in Dev Mode
+  if (EnvironmentConfig.TEST_MODE) {
+    return NullNotificationsManager();
+  }
+
   if (Platform.isLinux && !Platform.isAndroid) {
     try {
       return NixNotificationManager(notificationSelectConvo);