Hardcode xunit reporter output file into failed tests reporter

Author: weswigham

Jakefile.js

@@ -567,7 +567,7 @@ function runConsoleTests(defaultReporter, runInParallel) {
         var startTime = Travis.mark();
         var args = [];
         args.push("-R", "scripts/failed-tests");
-        args.push("-O", '"reporter=' + reporter + (keepFailed ? ",keepFailed=true" : "") + (reporter === "xunit" ? ",output=TEST-results.xml" : "") + '"');
+        args.push("-O", '"reporter=' + reporter + (keepFailed ? ",keepFailed=true" : "") + '"');
         if (tests) args.push("-g", `"${tests}"`);
         args.push(colors ? "--colors" : "--no-colors");
         if (bail) args.push("--bail");

scripts/failed-tests.js

@@ -46,6 +46,9 @@ class FailedTestsReporter extends Mocha.reporters.Base {
             }
 
             const newOptions = Object.assign({}, options, { reporterOptions: reporterOptions.reporterOptions || {} });
+            if (reporterOptions.reporter === "xunit") {
+                newOptions.reporterOptions.output = "TEST-results.xml";
+            }
             this.reporter = new reporter(runner, newOptions);
         }