From 12ea0f687b532c9953da237c1545414d40348721 Mon Sep 17 00:00:00 2001
From: Carl Vuorinen <carl.vuorinen@gmail.com>
Date: Wed, 7 Oct 2015 09:10:04 +0300
Subject: [PATCH] Don't try to flush() when memcache not instantiated

It was causing `Fatal error: Call to a member function flush() on null` when memcache extension is not installed, because tearDown was still executed
---
 .../Tests/Backend/Cache/Adapter/MemcachedCacheAdapterTest.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/Xi/Filelib/Tests/Backend/Cache/Adapter/MemcachedCacheAdapterTest.php b/tests/Xi/Filelib/Tests/Backend/Cache/Adapter/MemcachedCacheAdapterTest.php
index f573f4c4..850df44f 100644
--- a/tests/Xi/Filelib/Tests/Backend/Cache/Adapter/MemcachedCacheAdapterTest.php
+++ b/tests/Xi/Filelib/Tests/Backend/Cache/Adapter/MemcachedCacheAdapterTest.php
@@ -35,6 +35,10 @@ public function setUp()
 
     public function tearDown()
     {
+        if (empty($this->memcached)) {
+            return;
+        }
+
         $this->memcached->flush();
     }