Test migration to jest by hand

Apparently using regular expressions is way easier.

test/nthElement/nthElement.test.js

@@ -0,0 +1,10 @@
+const expect = require('expect');
+const nthElement = require('./nthElement.js');
+
+
+  test('nthElement is a Function', () => {
+  expect(nthElement).toBeInstanceOf(Function);
+});
+  t.equal(nthElement(['a', 'b', 'c'], 1), 'b', "Returns the nth element of an array.");
+  t.equal(nthElement(['a', 'b', 'c'], -3), 'a', "Returns the nth element of an array.");
+