diff --git a/tests/application/modules/opac/controllers/NoticeAjaxControllerTest.php b/tests/application/modules/opac/controllers/NoticeAjaxControllerTest.php
index e0673a50f3af2bd4b6d8d6611d7d4a3c5b8f2448..1ae931a782b22a40538941c4b31547e6a50e368b 100644
--- a/tests/application/modules/opac/controllers/NoticeAjaxControllerTest.php
+++ b/tests/application/modules/opac/controllers/NoticeAjaxControllerTest.php
@@ -481,7 +481,9 @@ abstract class NoticeAjaxControllerExemplairesTestCase extends AbstractControlle
 		$mock_sql = Storm_Test_ObjectWrapper::on(Zend_Registry::get('sql'));
 		Zend_Registry::set('sql', $mock_sql);
 
-		$this->fixture('Class_IntBib', ['id' => 4,'comm_sigb' => Class_IntBib::COM_NANOOK]);
+		$this->fixture('Class_IntBib', ['id' => 4,
+																		'comm_sigb' => Class_IntBib::COM_NANOOK,
+																		'comm_params' => serialize(['url_serveur' => ''])]);
 		$this->fixture('Class_bib',
 									 ['id' => 99,
 									 ]);
@@ -520,12 +522,11 @@ class NoticeAjaxControllerExemplairesWithIdBibs extends NoticeAjaxControllerExem
 	public function setUp() {
 		parent::setUp();
 
-
 		$this->_notice->addExemplaire(
 																$this->fixture('Class_Exemplaire',
 																							 ['id' =>777,
 																								'id_bib' => 77,
-																								'id_int_bib' => 4,
+																								'id_int_bib' => 0,
 																								'id_notice' => 123,
 																								'annexe' => 'MOUL',
 																								'section' => 'A9',
diff --git a/tests/library/Class/UserGroupTest.php b/tests/library/Class/UserGroupTest.php
index 19dc12c2d791b68bc76480f7b2dc1d7a3e521992..6279c865aedb510b0c30b21e7eec0b6afe443221 100644
--- a/tests/library/Class/UserGroupTest.php
+++ b/tests/library/Class/UserGroupTest.php
@@ -23,6 +23,8 @@ abstract class UserGroupsTestCase extends Storm_Test_ModelTestCase {
 	public function setUp() {
 		parent::setUp();
 
+		Class_SessionFormation::beVolatile();
+
 		$this->_florence = $this->fixture('Class_Users',
 																			['id' => 1,
 																			 'login' => 'flo',