rem: var s = new Sysconfig(); 
add: var s = new Sysconfig(); 
context:     getTestruns : function(callback) {        var s = new Sysconfig();         var branch = encodeURIComponent(s.branch);        litmus.getLitmusJson("&product_name=Firefox&branch_name=" + branch,                        callback, "test_runs_by_branch_product_name=1");    },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/a3a9a2c311afc9d76e4e6bfc036e5897fa988bc1/litmus.js/buggy/testing/extensions/community/chrome/content/litmus.js