diff --git a/lib/unitTest/Alchemy/Phrasea/Cache/ApcCacheTest.php b/lib/unitTest/Alchemy/Phrasea/Cache/ApcCacheTest.php
index f88150606a..feec497263 100644
--- a/lib/unitTest/Alchemy/Phrasea/Cache/ApcCacheTest.php
+++ b/lib/unitTest/Alchemy/Phrasea/Cache/ApcCacheTest.php
@@ -16,6 +16,10 @@ class ApcCacheTest extends \PHPUnit_Framework_TestCase
 
   public function setUp()
   {
+    if (extension_loaded('apc'))
+    {
+      $this->markTestSkipped('Apc is not installed');
+    }
     $this->object = new \Alchemy\Phrasea\Cache\ApcCache;
   }
 
diff --git a/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/ApcCacheTest.php b/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/ApcCacheTest.php
index 96763cb2e9..051234b261 100644
--- a/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/ApcCacheTest.php
+++ b/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/ApcCacheTest.php
@@ -29,7 +29,7 @@ class ServiceApcCacheTest extends PhraseanetPHPUnitAbstract
     if (extension_loaded('apc'))
     {
       $service = $cache->getDriver();
-      $this->assertTrue($service instanceof \Doctrine\Common\Cache\AbstractCache);
+      $this->assertTrue($service instanceof \Doctrine\Common\Cache\CacheProvider);
     }
     else
     {
diff --git a/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/ArrayCacheTest.php b/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/ArrayCacheTest.php
index eca02e8da8..3b76d13503 100644
--- a/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/ArrayCacheTest.php
+++ b/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/ArrayCacheTest.php
@@ -27,7 +27,7 @@ class ServiceArrayCacheTest extends PhraseanetPHPUnitAbstract
     );
 
     $service = $cache->getDriver();
-    $this->assertTrue($service instanceof \Doctrine\Common\Cache\AbstractCache);
+    $this->assertTrue($service instanceof \Doctrine\Common\Cache\CacheProvider);
   }
 
   public function testServiceException()
diff --git a/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/MemcacheCacheTest.php b/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/MemcacheCacheTest.php
index c7b8c4f77c..60c2b9750f 100644
--- a/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/MemcacheCacheTest.php
+++ b/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/MemcacheCacheTest.php
@@ -29,7 +29,7 @@ class ServiceMemcacheCacheTest extends PhraseanetPHPUnitAbstract
     if (extension_loaded('memcache'))
     {
       $service = $cache->getDriver();
-      $this->assertTrue($service instanceof \Doctrine\Common\Cache\AbstractCache);
+      $this->assertTrue($service instanceof \Doctrine\Common\Cache\CacheProvider);
     }
     else
     {
diff --git a/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/XcacheCacheTest.php b/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/XcacheCacheTest.php
index 68fba58f0c..af18fd919b 100644
--- a/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/XcacheCacheTest.php
+++ b/lib/unitTest/Alchemy/Phrasea/Core/Service/Cache/XcacheCacheTest.php
@@ -29,7 +29,7 @@ class ServiceXcacheCacheTest extends PhraseanetPHPUnitAbstract
     if (extension_loaded('xcache'))
     {
       $service = $cache->getDriver();
-      $this->assertTrue($service instanceof \Doctrine\Common\Cache\AbstractCache);
+      $this->assertTrue($service instanceof \Doctrine\Common\Cache\CacheProvider);
     }
     else
     {