salix/services/loopback/common/methods/order/specs/getTotal.spec.js

const app = require(`${servicesDir}/order/server/server`);

describe('order getTotal()', () => {
    it('should return the total', async() => {
        let result = await app.models.Order.getTotal(1);

        expect(result).toEqual(145.09);
    });
});