const getTaxes = require('../get-taxes'); const model = { remoteMethod: () => {} }; let Loopback = require('../../../test-helpers/loopback'); Loopback.init(model); Loopback.rawSql(model); getTaxes(model); describe('ticket getTaxes()', () => { it('should call the getTaxes method', done => { model.getTaxes(1) .then(response => { expect(response[0].tax).toEqual(1.05); done(); }); }); });