File messaging.spec.ts

src/messaging/messaging.spec.ts:None–None

import { TestBed } from '@angular/core/testing';
import { getApp, initializeApp, provideFirebaseApp } from '@angular/fire/app';
import { Messaging, getMessaging, isSupported, provideMessaging } from '@angular/fire/messaging';
import { COMMON_CONFIG } from '../test-config';