skip infra setup for tests (the test does it itself)

src/addons.js

@@ -122,6 +122,8 @@ function debugApp(app, args) {
 }
 
 function initialize(callback) {
+    if (process.env.BOX_ENV === 'test') return callback();
+
     debug('initializing addon infrastructure');
     shell.sudo('seutp_infra', [ SETUP_INFRA_CMD ], callback);
 }