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"); }); });