fix distributed testing environment

Tests/autoload.php.dist

@@ -10,6 +10,9 @@ $loader->registerNamespaces(array(
     'Symfony'                               => array($vendorDir.'/symfony/src'),
     'Sensio\\Bundle\\FrameworkExtraBundle'  => array($vendorDir),
 ));
+$loader->registerPrefixes(array(
+    'Twig_' => $vendorDir.'/symfony/vendor/twig/lib',
+));
 $loader->register();
 
 set_include_path(get_include_path() . PATH_SEPARATOR . $vendorDir.'/phing/classes');

phpunit.xml.dist

@@ -22,6 +22,7 @@
       <directory>./</directory>
       <exclude>
         <directory>./Tests</directory>
+        <directory>./vendor</directory>
       </exclude>
     </whitelist>
   </filter>

vendor/install_vendors.php

@@ -23,3 +23,5 @@ foreach ($deps as $dep) {
 
     system(sprintf('cd %s && git fetch -q origin && git reset --hard %s', escapeshellarg($installDir), escapeshellarg($rev)));
 }
+
+system(sprintf('cd %s && php vendors.php', escapeshellarg($vendorDir.'/symfony')));