salix/services/loopback/common/methods/client/specs/card.spec.js

const app = require('../../../../../client/server/server');

describe('Client card', () => {
    it('should call the card() method to receive a formated card of Bruce Wayne', async() => {
        let id = 101;
        let result = await app.models.Client.card(id, callback);

        expect(result).toEqual(jasmine.objectContaining({
            id: 101,
            name: 'Bruce Wayne'
        }));
    });
});