const models = require('vn-loopback/server/server').models; describe('Greuge totalGreuge()', () => { it('should call the sumAmount method', async() => { const tx = await models.Client.beginTransaction({}); try { const options = {transaction: tx}; const clientId = 1; const result = await models.Client.sumAmount(clientId, options); expect(result).toBe(6000); await tx.rollback(); } catch (e) { await tx.rollback(); } }); });