Fixed one test

Author: javiereguiluz

tests/Symfony/Installer/Tests/IntegrationTest.php

@@ -108,7 +108,7 @@ public function provideSymfonyInstallationData()
             ),
 
             array(
-                '2.7-BETA1',
+                '2.7.0-BETA1',
                 '/.*Symfony 2\.7\.0\-BETA1 was successfully installed.*/',
                 '/Symfony version 2\.7\-BETA1 - app\/dev\/debug/',
             ),