const sumAll = require('./sumAll') describe('sumAll', function() { it('sums numbers within the range', function() { expect(sumAll(1, 4)).toEqual(10); }); xit('works with large numbers', function() { expect(sumAll(1, 4000)).toEqual(8002000); }); xit('works with larger number first', function() { expect(sumAll(123, 1)).toEqual(7626); }); xit('returns ERROR with negative numbers', function() { expect(sumAll(-10, 4)).toEqual('ERROR'); }); xit('returns ERROR with non-number parameters', function() { expect(sumAll(10, "90")).toEqual('ERROR'); }); xit('returns ERROR with non-number parameters', function() { expect(sumAll(10, [90, 1])).toEqual('ERROR'); }); });