DependencyInjection should not be ignored by PHPUnit

phpunit.xml.dist

@@ -24,7 +24,6 @@
                 <directory>./Tests/</directory>
                 <directory>./DataFixtures/</directory>
                 <directory>./Resources/</directory>
-                <directory>./DependencyInjection/</directory>
                 <directory>./vendor/</directory>
                 <directory>./coverage/</directory>
             </exclude>