N°2651 rollback gitignore for lib tests dirs

Too dangerous ! We'll work properly on this but for 2.8

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

@@ -0,0 +1,46 @@
+<?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\RedisCache;
+
+abstract class AbstractRedisCacheTest extends CacheTestCase
+{
+    protected $skippedTests = [
+        'testSetTtl' => 'Testing expiration slows down the test suite',
+        'testSetMultipleTtl' => 'Testing expiration slows down the test suite',
+        'testDefaultLifeTime' => 'Testing expiration slows down the test suite',
+    ];
+
+    protected static $redis;
+
+    public function createSimpleCache($defaultLifetime = 0)
+    {
+        return new RedisCache(self::$redis, str_replace('\\', '.', __CLASS__), $defaultLifetime);
+    }
+
+    public static function setUpBeforeClass()
+    {
+        if (!\extension_loaded('redis')) {
+            self::markTestSkipped('Extension redis required.');
+        }
+        if (!@((new \Redis())->connect(getenv('REDIS_HOST')))) {
+            $e = error_get_last();
+            self::markTestSkipped($e['message']);
+        }
+    }
+
+    public static function tearDownAfterClass()
+    {
+        self::$redis = null;
+    }
+}