N°2651 Remove lib test files from index

lib/symfony/cache/Tests/Simple/Psr6CacheTest.php

@@ -1,30 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Cache\Tests\Simple;
-
-use Symfony\Component\Cache\Adapter\FilesystemAdapter;
-use Symfony\Component\Cache\Simple\Psr6Cache;
-
-/**
- * @group time-sensitive
- */
-class Psr6CacheTest extends CacheTestCase
-{
-    protected $skippedTests = [
-        'testPrune' => 'Psr6Cache just proxies',
-    ];
-
-    public function createSimpleCache($defaultLifetime = 0)
-    {
-        return new Psr6Cache(new FilesystemAdapter('', $defaultLifetime));
-    }
-}