const test = require('tape'); const sumBy = require('./sumBy.js'); test('Testing sumBy', (t) => { //For more information on all the methods supported by tape //Please go to https://github.com/substack/tape t.true(typeof sumBy === 'function', 'sumBy is a Function'); //t.deepEqual(sumBy(args..), 'Expected'); //t.equal(sumBy(args..), 'Expected'); //t.false(sumBy(args..), 'Expected'); //t.throws(sumBy(args..), 'Expected'); t.end(); });