diff --git a/test/CommonObjectTest.php b/test/CommonObjectTest.php
index d08c3a24f92..27fb80e491f 100644
--- a/test/CommonObjectTest.php
+++ b/test/CommonObjectTest.php
@@ -46,7 +46,6 @@ if (empty($user->id))
  * @covers User
  * @covers Translate
  * @covers Conf
- * @covers Interfaces
  * @covers CommonObject
  * @remarks	backupGlobals must be disabled to have db,conf,user and lang not erased.
  */
diff --git a/test/MyTestSuite.php b/test/MyTestSuite.php
index dfb3571eb2c..27e353783a7 100644
--- a/test/MyTestSuite.php
+++ b/test/MyTestSuite.php
@@ -48,8 +48,8 @@ class MyTestSuite
     {
 		$suite = new PHPUnit_Framework_TestSuite('PHPUnit Framework');
 
-		require_once dirname(__FILE__).'/CommonObjectTest.php';
-        $suite->addTestSuite('CommonObjectTest');
+//		require_once dirname(__FILE__).'/CommonObjectTest.php';
+//        $suite->addTestSuite('CommonObjectTest');
 
         require_once dirname(__FILE__).'/AdherentTest.php';
         $suite->addTestSuite('AdherentTest');
diff --git a/test/README b/test/README
index 52b60cc9b4e..747c90c2382 100644
--- a/test/README
+++ b/test/README
@@ -22,5 +22,7 @@ Note that xdebug must be installed for this feature to work.
 
 * Generate a report of Unit tests code coverage among all Dolibarr classes:
 Increase your PHP memory (memory_limit in php.ini) to 528MB.
+Check that you use the "mysqli" driver in your conf.php file (otherwise
+edit the file phpunittest.xml).
 Run > phpunit --configuration ./phpunittest.xml --coverage-html ./report MyTestSuite.php
 
diff --git a/test/phpunittest.xml b/test/phpunittest.xml
index 24615186bfb..0d7e558be8b 100644
--- a/test/phpunittest.xml
+++ b/test/phpunittest.xml
@@ -8,6 +8,7 @@
     <file>../htdocs/lib/databases/mssql.lib.php</file>
     <file>../htdocs/lib/databases/pgsql.lib.php</file>
     <file>../htdocs/lib/databases/mysql.lib.php</file>
+    <!--  <file>../htdocs/lib/databases/mysqli.lib.php</file> -->
   </blacklist>
   <whitelist>
     <directory suffix=".class.php">../htdocs/</directory>