Fixed Snap mock

Also fixed JSHint errors

core/js/tests/specHelper.js

@@ -19,15 +19,12 @@
 *
 */
 
-/* global OC */
-
 /**
  * Simulate the variables that are normally set by PHP code
  */
 
 // from core/js/config.php
 window.TESTING = true;
-window.oc_debug = true;
 window.datepickerFormatDate = 'MM d, yy';
 window.dayNames = [
 	'Sunday',
@@ -55,6 +52,8 @@ window.monthNames = [
 window.firstDay = 0;
 
 // setup dummy webroots
+/* jshint camelcase: false */
+window.oc_debug = true;
 window.oc_webroot = location.href + '/';
 window.oc_appswebroots = {
 	"files": window.oc_webroot + '/apps/files/'
@@ -68,14 +67,20 @@ window.oc_appconfig = {
 };
 window.oc_defaults = {};
 
+/* jshint camelcase: true */
+
 // mock for Snap.js plugin
 window.Snap = function() {};
+window.Snap.prototype = {
+	enable: function() {},
+	disable: function() {},
+	close: function() {}
+};
 
 // global setup for all tests
 (function setupTests() {
 	var fakeServer = null,
-		$testArea = null,
-		routesRequestStub;
+		$testArea = null;
 
 	beforeEach(function() {
 		// test area for elements that need absolute selector access or measure widths/heights