Migrated tests to jest

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

test5/quickSort/quickSort.js

@@ -0,0 +1,9 @@
+const quickSort = ([n, ...nums], desc) =>
+isNaN(n)
+? []
+: [
+...quickSort(nums.filter(v => (desc ? v > n : v <= n)), desc),
+n,
+...quickSort(nums.filter(v => (!desc ? v > n : v <= n)), desc)
+];
+module.exports = quickSort;

test5/quickSort/quickSort.test.js

@@ -0,0 +1,20 @@
+const expect = require('expect');
+const quickSort = require('./quickSort.js');
+
+test('Testing quickSort', () => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  expect(typeof quickSort === 'function').toBeTruthy();
+  expect(quickSort([5, 6, 4, 3, 1, 2])).toEqual([1, 2, 3, 4, 5, 6]);
+  expect(quickSort([-1, 0, -2])).toEqual([-2, -1, 0]);
+  expect(() => quickSort()).toThrow();
+  expect(() => quickSort(123)).toThrow();
+  expect(() => quickSort({ 234: string})).toThrow();
+  expect(() => quickSort(null)).toThrow();
+  expect(() => quickSort(undefined)).toThrow();
+
+  let start = new Date().getTime();
+  quickSort([11, 1, 324, 23232, -1, 53, 2, 524, 32, 13, 156, 133, 62, 12, 4]);
+  let end = new Date().getTime();
+  expect((end - start) < 2000).toBeTruthy();
+});