Update to v11

Front/skydivelogs-app/src/app/new-aircraft/new-aircraft.component.spec.ts

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