upgrade

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

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+<?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\Simple\Psr6Cache;
+
+/**
+ * @group legacy
+ */
+abstract class Psr6CacheTest extends CacheTestCase
+{
+    protected $skippedTests = [
+        'testPrune' => 'Psr6Cache just proxies',
+    ];
+
+    public function createSimpleCache($defaultLifetime = 0)
+    {
+        return new Psr6Cache($this->createCacheItemPool($defaultLifetime));
+    }
+
+    abstract protected function createCacheItemPool($defaultLifetime = 0);
+}