CS fixes

Author: nicolas-grekas

src/Symfony/Component/Cache/Tests/Adapter/ApcuAdapterTest.php

@@ -36,7 +36,7 @@ public function testUnserializable()
         $pool = $this->createCachePool();
 
         $item = $pool->getItem('foo');
-        $item->set(function() {});
+        $item->set(function () {});
 
         $this->assertFalse($pool->save($item));
 

src/Symfony/Component/Cache/Tests/Adapter/FilesystemTest.php renamed to src/Symfony/Component/Cache/Tests/Adapter/FilesystemAdapterTest.php

@@ -42,8 +42,8 @@ public static function rmdir($dir)
             new \RecursiveDirectoryIterator($dir, \RecursiveDirectoryIterator::SKIP_DOTS),
             \RecursiveIteratorIterator::CHILD_FIRST
         );
-        foreach($children as $child) {
-            if ($child->isDir()){
+        foreach ($children as $child) {
+            if ($child->isDir()) {
                 rmdir($child);
             } else {
                 unlink($child);