update ng12

src/app/modules/brand/brand.component.spec.ts

@@ -1,4 +1,4 @@
-import {async, ComponentFixture, TestBed} from '@angular/core/testing';
+import {ComponentFixture, TestBed, waitForAsync} from '@angular/core/testing';
 
 import {BrandComponent} from './brand.component';
 
@@ -6,7 +6,7 @@ describe('BrandComponent', () => {
   let component: BrandComponent;
   let fixture: ComponentFixture<BrandComponent>;
 
-  beforeEach(async(() => {
+  beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       declarations: [BrandComponent]
     })