Test migration to jest by hand

Apparently using regular expressions is way easier.

test/unescapeHTML/unescapeHTML.js

@@ -0,0 +1,13 @@
+const unescapeHTML = str =>
+str.replace(
+/&|<|>|'|"/g,
+tag =>
+({
+'&': '&',
+'&lt;': '<',
+'&gt;': '>',
+'&#39;': "'",
+'&quot;': '"'
+}[tag] || tag)
+);
+module.exports = unescapeHTML;

test/unescapeHTML/unescapeHTML.test.js

@@ -0,0 +1,9 @@
+const expect = require('expect');
+const unescapeHTML = require('./unescapeHTML.js');
+
+
+  test('unescapeHTML is a Function', () => {
+  expect(unescapeHTML).toBeInstanceOf(Function);
+});
+  t.equal(unescapeHTML('&lt;a href=&quot;#&quot;&gt;Me &amp; you&lt;/a&gt;'),  '<a href="#">Me & you</a>', 'Unescapes escaped HTML characters.');
+