[ci] Fix wrongly skipped integration tests

Author: chalasr

phpunit.xml.dist

@@ -28,6 +28,7 @@
  <directory>./src/Symfony/Bridge/*/Tests/</directory>
  <directory>./src/Symfony/Component/*/Tests/</directory>
  <directory>./src/Symfony/Component/*/*/Tests/</directory>
+ <directory>./src/Symfony/Component/*/*/*/Tests/</directory>
  <directory>./src/Symfony/Contract/*/Tests/</directory>
  <directory>./src/Symfony/Bundle/*/Tests/</directory>
  </testsuite>