Updated the test system

test/parseCookie.test.js

@@ -0,0 +1,9 @@
+const expect = require('expect');
+const {parseCookie} = require('./_30s.js');
+
+test('parseCookie is a Function', () => {
+  expect(parseCookie).toBeInstanceOf(Function);
+});
+test('Parses the cookie', () => {
+  expect(parseCookie('foo=bar; equation=E%3Dmc%5E2')).toEqual({ foo: 'bar', equation: 'E=mc^2' });
+});