solution

src/splitInteger.test.js

@@ -4,18 +4,26 @@ const splitInteger = require('./splitInteger');
 
 test(`should split a number into equal parts
   if a value is divisible by a numberOfParts`, () => {
-
+  expect(splitInteger(8, 1)).toEqual([8]);
+  expect(splitInteger(6, 2)).toEqual([3, 3]);
+  expect(splitInteger(20, 4)).toEqual([5, 5, 5, 5]);
 });
 
 test(`should return a part equals to a value
   when splitting into 1 part`, () => {
-
+  expect(splitInteger(20, 1)).toEqual([20]);
+  expect(splitInteger(17, 4)).toEqual([4, 4, 4, 5]);
+  expect(splitInteger(32, 6)).toEqual([5, 5, 5, 5, 6, 6]);
 });
 
-test('should sort parts ascending if they are not equal', () => {
+test(`should sort parts ascending if they are not equal`, () => {
+  const result = splitInteger(21, 4);
 
+  expect(result).toEqual([5, 5, 5, 6]);
 });
 
-test('should add zeros if value < numberOfParts', () => {
+test(`should add zeros if value < numberOfParts`, () => {
+  const result = splitInteger(3, 4);
 
+  expect(result).toEqual([0, 1, 1, 1]);
 });