Migrated tests to jest

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

test2/escapeRegExp/escapeRegExp.js

@@ -0,0 +1,2 @@
+const escapeRegExp = str => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+module.exports = escapeRegExp;

test2/escapeRegExp/escapeRegExp.test.js

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