Appease closure linter.

spec/mock-request.js

@@ -1,9 +1,9 @@
 "use strict";
 
 /**
- * This is a mock framework for an HTTP backend, heavily inspired by Angular.js
+ * Construct a mock HTTP backend, heavily inspired by Angular.js.
+ * @constructor
  */
-
 function HttpBackend() {
     this.requests = [];
     this.expectedRequests = [];
@@ -139,4 +139,7 @@ Request.prototype = {
     }
 };
 
+/**
+ * The HttpBackend class.
+ */
 module.exports = HttpBackend;