diff --git a/src/splitInteger.test.js b/src/splitInteger.test.js
index a610317d..8a02d193 100644
--- a/src/splitInteger.test.js
+++ b/src/splitInteger.test.js
@@ -4,18 +4,28 @@ const splitInteger = require('./splitInteger');
 
 test(`should split a number into equal parts
   if a value is divisible by a numberOfParts`, () => {
+  const result = splitInteger(6, 2);
 
+  expect(result[0]).toEqual(result[1]);
 });
 
 test(`should return a part equals to a value
   when splitting into 1 part`, () => {
+  const result = splitInteger(32, 1);
 
+  expect(result.length).toBe(1);
 });
 
 test('should sort parts ascending if they are not equal', () => {
+  const result = splitInteger(32, 6);
 
+  const sortedResult = result.sort((v1, v2) => v1 - v2);
+
+  expect(result).toEqual(sortedResult);
 });
 
 test('should add zeros if value < numberOfParts', () => {
+  const result = splitInteger(4, 5);
 
+  expect(result).toContain(0);
 });