Updated the test system

test/getURLParameters.test.js

@@ -0,0 +1,12 @@
+const expect = require('expect');
+const {getURLParameters} = require('./_30s.js');
+
+test('getURLParameters is a Function', () => {
+  expect(getURLParameters).toBeInstanceOf(Function);
+});
+test('Returns an object containing the parameters of the current URL', () => {
+  expect(getURLParameters('http://url.com/page?name=Adam&surname=Smith')).toEqual({
+    name: 'Adam',
+    surname: 'Smith'
+  });
+});