Migrated tests to jest

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

test6/unflattenObject/unflattenObject.test.js

@@ -0,0 +1,9 @@
+const expect = require('expect');
+const unflattenObject = require('./unflattenObject.js');
+
+test('Testing unflattenObject', () => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  expect(typeof unflattenObject === 'function').toBeTruthy();
+  expect(unflattenObject({ 'a.b.c': 1, d: 1 })).toEqual({ a: { b: { c: 1 } }, d: 1 });
+});