sumAll: Unify tests between solution and non-solution spec file (TheOdinProject#488)

Author: zohidjohn

05_sumAll/sumAll.spec.js

@@ -13,6 +13,9 @@ describe('sumAll', () => {
   test.skip('returns ERROR with negative numbers', () => {
     expect(sumAll(-10, 4)).toEqual('ERROR');
   });
+  test.skip('returns ERROR with non-integer parameters', () => {
+    expect(sumAll(2.5, 4)).toEqual('ERROR');
+  });
   test.skip('returns ERROR with non-number parameters', () => {
     expect(sumAll(10, "90")).toEqual('ERROR');
   });