How to use the @angular/core/testing.TestBed.configureTestingModule function in @angular/core

beforeEach(() => {
        TestBed.configureTestingModule({
            imports: [
                DynamicComponentModule.forRoot({
                    imports: [CommonModule],
                    schemas: [CUSTOM_ELEMENTS_SCHEMA],
                    declarations: [] // for issue #27
                })
            ],
            declarations: [MultipleCmp, TestCmp, ButtonComponent],
        });
    });

beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [
        AppComponent
      ],
    }).compileComponents();
  }));
  it('should create the app', async(() => {

beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [SavedAddressComponent]
    }).compileComponents();
  }));

beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [ AdminSonarQubeComponent ],
      imports: [
        BrowserModule,
        BrowserAnimationsModule,
        RouterTestingModule,
        FormsModule,
        TranslateTestingModule,
        MatTooltipModule,
        MatIconModule,
        MatCardModule,
        MatInputModule,
        MatDialogModule,
        MatListModule,
        MatDividerModule,
        MatSnackBarModule,
        MatFormFieldModule,

beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [ HighLightComponent ]
    })
    .compileComponents();
  }));

beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [EmailPasswordComponent],
      imports: [
        SharedModule,
        TranslateModule.forRoot()
      ]
    })
      .compileComponents();
  }));

beforeEach(() => {
        TestBed.configureTestingModule({
            imports: [],
            declarations: [HintComponent, TestComponent],
        });
        fixture = TestBed.createComponent(TestComponent);
        testComponent = fixture.componentInstance;
        de = fixture.debugElement.query(By.css("bl-hint"));
        fixture.detectChanges();
    });

beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [ ReadingsListComponent ]
    })
    .compileComponents();
  }));

beforeEach(async(() => {
    TestBed.configureTestingModule({
      imports: [SharedModule.forRoot(), CoreModule.forRoot(), HttpClientTestingModule, SuiModule, TelemetryModule.forRoot()],
      declarations: [PublicCourseComponent],
      providers: [PublicPlayerService, { provide: ResourceService, useValue: resourceBundle },
      { provide: Router, useClass: RouterStub },
      { provide: ActivatedRoute, useClass: FakeActivatedRoute }],
      schemas: [NO_ERRORS_SCHEMA]
    }).compileComponents();
  }));

beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [ TodoHeaderComponent ]
    })
    .compileComponents();
  }));