How to use the angular-datatables.DataTablesModule.forRoot function in angular-datatables

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import { CommonModule } from '@angular/common';
import { NgModule } from '@angular/core';
import { RouterModule } from '@angular/router';
import { DataTablesModule } from 'angular-datatables';
import { ClipboardModule } from 'ngx-clipboard';

import { PrivateIconModule } from '../shared/private-icon/private-icon.module';
import { ListentryComponent } from './listentry.component';

@NgModule({
  imports: [
    CommonModule,
    RouterModule,
    DataTablesModule.forRoot(),
    ClipboardModule,
    PrivateIconModule
  ],
  declarations: [ListentryComponent],
  exports: [ListentryComponent]
})
export class ListentryModule { }

beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [ ListentryComponent,
      RouterLinkStubDirective ],
      schemas: [ NO_ERRORS_SCHEMA ],
      imports: [ DataTablesModule.forRoot(), ClipboardModule ],
      providers: [
        { provide: SearchService, useClass: SearchStubService },
        { provide: ListContainersService, useClass: ListContainersStubService },
        { provide: DockstoreService, useClass: SearchStubService }]
    })
    .compileComponents();
  }));