Migrated tests to jest

Used jest-codemods to migrate, will have to pass everything by hand before we can merge.

test5/randomIntArrayInRange/randomIntArrayInRange.js

@@ -0,0 +1,3 @@
+const randomIntArrayInRange = (min, max, n = 1) =>
+Array.from({ length: n }, () => Math.floor(Math.random() * (max - min + 1)) + min);
+module.exports = randomIntArrayInRange;

test5/randomIntArrayInRange/randomIntArrayInRange.test.js

@@ -0,0 +1,14 @@
+const expect = require('expect');
+const randomIntArrayInRange = require('./randomIntArrayInRange.js');
+
+test('Testing randomIntArrayInRange', () => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  expect(typeof randomIntArrayInRange === 'function').toBeTruthy();
+  const lowerLimit = Math.floor(Math.random() * 20);
+  const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
+  const arr = randomIntArrayInRange(lowerLimit,upperLimit, 10);
+  expect(arr.every(x => typeof x === 'number')).toBeTruthy();
+  expect(arr.length).toBe(10);
+  expect(arr.every(x => (x >= lowerLimit) && (x <= upperLimit))).toBeTruthy();
+});