[Cache] fix test

nicolas-grekas · nicolas-grekas · commit 9ade0a7605f1 · 2018-12-19T10:29:46.000+01:00
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/AdapterTestCase.php b/src/Symfony/Component/Cache/Tests/Adapter/AdapterTestCase.php
@@ -34,6 +34,7 @@ public function testGet()
         }
 
         $cache = $this->createCachePool();
+        $cache->clear();
 
         $value = mt_rand();
 
