Upgrade to angular v11

overlord/src/app/payment/payment-dialog.component.spec.ts

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

overlord/src/app/payment/payment.component.spec.ts

@@ -1,4 +1,4 @@
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
 import { ReactiveFormsModule } from '@angular/forms';
 import { MatDialogModule } from '@angular/material/dialog';
 import { RouterTestingModule } from '@angular/router/testing';
@@ -9,7 +9,7 @@ describe('PaymentComponent', () => {
   let component: PaymentComponent;
   let fixture: ComponentFixture<PaymentComponent>;
 
-  beforeEach(async(() => {
+  beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       imports: [MatDialogModule, ReactiveFormsModule, RouterTestingModule],
       declarations: [PaymentComponent],