const models = require('vn-loopback/server/server').models; describe('invoiceIn summary()', () => { it('should return a summary object containing data from one invoiceIn', async() => { const tx = await models.InvoiceIn.beginTransaction({}); const options = {transaction: tx}; try { const summary = await models.InvoiceIn.summary(1, options); expect(summary.supplierRef).toEqual('1234'); await tx.rollback(); } catch (e) { await tx.rollback(); throw e; } }); });