[CSV Export] Begin testing exportService

...including fixes to immediately-identified errors.

platform/exporters/ExportService.js

@@ -29,10 +29,10 @@ define(['csv'], function (CSV) {
 
     ExportService.prototype.exportCSV = function (rows, options) {
         var headers = (options && options.headers) ||
-                (Object.keys((rows[0] || {}).sort())),
+                (Object.keys((rows[0] || {})).sort()),
             filename = (options && options.filename) || "export.csv",
             csvText = new CSV(rows, { header: headers }).encode(),
-            blob = new Blob(csvText, { type: "text/csv" });
+            blob = new Blob([ csvText ] , { type: "text/csv" });
         this.saveAs(blob, filename);
     };