Try to output JS test results in jUnit format for CircleCI

RoboFile.php

@@ -119,14 +119,23 @@ class RoboFile extends \Robo\Tasks {
     )));
   }
 
-  function testJavascript() {
+  function testJavascript($xml_output_file = null) {
     $this->compileJs();
 
-    $this->_exec(join(' ', array(
+    $command = join(' ', array(
       './node_modules/.bin/mocha',
       '-r tests/javascript/mochaTestHelper.js',
       'tests/javascript/testBundles/**/*.js'
-    )));
+    ));
+
+    if(!empty($xml_output_file)) {
+      $command .= sprintf(
+        ' --reporter xunit --reporter-options output="%s"',
+        $xml_output_file
+      );
+    }
+
+    $this->_exec($command);
   }
 
   function testDebug() {

circle.yml

@@ -1,15 +1,3 @@
-## Customize the test machine
-machine:
-  timezone:
-      America/New_York # Set the timezone
-
-  php:
-    version:
-      5.6.5
-
-  services:
-    - mysql
-
 ## Customize dependencies
 dependencies:
   pre:
@@ -19,4 +7,5 @@ dependencies:
 ## tests override
 test:
   override:
-    - ./do t:j
+    - mkdir $CIRCLE_TEST_REPORTS/mocha
+    - ./do t:j $CIRCLE_TEST_REPORTS/mocha/junit.xml