Migrated tests to jest

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

test6/scrollToTop/scrollToTop.js

@@ -0,0 +1,8 @@
+const scrollToTop = () => {
+const c = document.documentElement.scrollTop || document.body.scrollTop;
+if (c > 0) {
+window.requestAnimationFrame(scrollToTop);
+window.scrollTo(0, c - c / 8);
+}
+};
+module.exports = scrollToTop;

test6/scrollToTop/scrollToTop.test.js

@@ -0,0 +1,8 @@
+const expect = require('expect');
+const scrollToTop = require('./scrollToTop.js');
+
+test('Testing scrollToTop', () => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  expect(typeof scrollToTop === 'function').toBeTruthy();
+});