diff --git a/tests/php-unit-tests/unitary-tests/core/OrmCaseLogExtensionForTest.php b/tests/php-unit-tests/unitary-tests/core/OrmCaseLogExtensionForTest.php
index f632b385a..8ddc07fe1 100644
--- a/tests/php-unit-tests/unitary-tests/core/OrmCaseLogExtensionForTest.php
+++ b/tests/php-unit-tests/unitary-tests/core/OrmCaseLogExtensionForTest.php
@@ -2,7 +2,7 @@
 
 namespace Combodo\iTop\Test;
 
-class OrmCaseLogExtensionForTest implements \iOrmCaseLogExtension
+class OrmCaseLogExtensionForTest extends \AbstractOrmCaseLogExtension
 {
 	private $sReturnedLog;
 	private $aReturnedIndex;
diff --git a/tests/php-unit-tests/unitary-tests/core/ormCaseLogTest.php b/tests/php-unit-tests/unitary-tests/core/ormCaseLogTest.php
index 2d224fc82..65d424945 100644
--- a/tests/php-unit-tests/unitary-tests/core/ormCaseLogTest.php
+++ b/tests/php-unit-tests/unitary-tests/core/ormCaseLogTest.php
@@ -7,6 +7,7 @@
 
 namespace Combodo\iTop\Test\UnitTest\Core;
 
+use Combodo\iTop\Test\OrmCaseLogExtensionForTest;
 use Combodo\iTop\Test\UnitTest\ItopDataTestCase;
 use ormCaseLog;
 
@@ -251,7 +252,7 @@ class ormCaseLogTest extends ItopDataTestCase
 			)
 			->willReturn($bTouched);*/
 
-		$aOrmCaseLogExtensionForTest = new \OrmCaseLogExtensionForTest();
+		$aOrmCaseLogExtensionForTest = new OrmCaseLogExtensionForTest();
 		$aOrmCaseLogExtensionForTest->Init($bTouched, $sRebuiltLog, $aRebuiltIndex);
 		$aOrmCaseLogExtension=[$aOrmCaseLogExtensionForTest];
 		$oOrmCaseLogService = new \ormCaseLogService($aOrmCaseLogExtension);