Solution

src/splitInteger.test.js

@@ -4,18 +4,38 @@ const splitInteger = require('./splitInteger');
 
 test(`should split a number into equal parts
   if a value is divisible by a numberOfParts`, () => {
+  const value = 100;
+  const numberOfParts = 4;
 
+  const result = splitInteger(value, numberOfParts);
+
+  expect(result).toEqual([25, 25, 25, 25]);
 });
 
 test(`should return a part equals to a value
   when splitting into 1 part`, () => {
+  const value = 100;
+  const numberOfParts = 1;
+
+  const result = splitInteger(value, numberOfParts);
 
+  expect(result).toEqual([100]);
 });
 
 test('should sort parts ascending if they are not equal', () => {
+  const value = 100;
+  const numberOfParts = 3;
 
+  const result = splitInteger(value, numberOfParts);
+
+  expect(result).toEqual([33, 33, 34]);
 });
 
 test('should add zeros if value < numberOfParts', () => {
+  const value = 2;
+  const numberOfParts = 5;
+
+  const result = splitInteger(value, numberOfParts);
 
+  expect(result).toEqual([0, 0, 0, 1, 1]);
 });