import chai from 'chai' import sinonChai from 'sinon-chai' import chaiAsPromised from 'chai-as-promised' import mongodb from 'mongodb-legacy' const { ObjectId } = mongodb // ensure every ObjectId has the id string as a property for correct comparisons ObjectId.cacheHexString = true // Chai configuration chai.should() chai.use(sinonChai) chai.use(chaiAsPromised)