added unit testing, and started implementing unit tests...phew

node_modules/mocha/lib/pending.js

@@ -0,0 +1,12 @@
+'use strict';
+
+module.exports = Pending;
+
+/**
+ * Initialize a new `Pending` error with the given message.
+ *
+ * @param {string} message
+ */
+function Pending(message) {
+  this.message = message;
+}