import { TestBed } from '@angular/core/testing';

import { ColumnService } from './column.service';
import { HttpClient } from '@angular/common/http';
import { HttpTestingController, HttpClientTestingModule } from '@angular/common/http/testing';

describe('ColumnService', () => {
  let httpClient: HttpClient;
  let httpTestingController: HttpTestingController;
  beforeEach(() => 
  TestBed.configureTestingModule({
       imports: [HttpClientTestingModule]
  }));

  // httpClient=TestBed.get(HttpClient);
  // httpTestingController=TestBed.get(httpTestingController);

  it('should be created', () => {
    const service: ColumnService = TestBed.get(ColumnService);
    expect(service).toBeTruthy();
  });
});