const app = require('vn-loopback/server/server'); describe('department removeChild()', () => { let removedChild; afterAll(async() => { await app.models.Department.create(removedChild); }); it('should remove a child department', async() => { const childId = 1; removedChild = await app.models.Department.findById(childId); const result = await app.models.Department.removeChild(childId); const existsChild = await app.models.Department.findById(childId); expect(result.count).toEqual(1); expect(existsChild).toBeNull(); }); });