chore: fix unit tests

Author: Fatme

lib/services/livesync/playground/preview-app-livesync-service.ts

@@ -35,7 +35,6 @@ export class PreviewAppLiveSyncService extends EventEmitter implements IPreviewA
 				}
 
 				const deviceUniqueId = (<any>device).uniqueId;
-
 				if (deviceUniqueId) {
 					this.$analyticsService.trackEventActionInGoogleAnalytics({
 						action: TrackActionNames.PreviewAppData,

test/services/playground/preview-app-livesync-service.ts

@@ -158,6 +158,9 @@ function createTestInjector(options?: {
 		getConnectedDevices: () => [deviceMockData]
 	});
 	injector.register("previewAppFilesService", PreviewAppFilesService);
+	injector.register("analyticsService", {
+		trackEventActionInGoogleAnalytics: () => ({})
+	});
 
 	return injector;
 }