Add google maps test

tests/test.js

@@ -115,13 +115,17 @@ var h2cSelector, h2cOptions;
             window.setUp();
         }
 
-        setTimeout(function() {
+        window.run = function() {
             $(h2cSelector).html2canvas($.extend({
                 logging: true,
                 profile: true,
                 proxy: "http://localhost:8082",
                 useCORS: false
             }, h2cOptions));
-        }, 100);
+        };
+
+        if (typeof(dontRun) === "undefined") {
+            setTimeout(window.run, 100);
+        }
     };
 }(document, window));