fix borrower loans timeSource failure

tests/application/modules/opac/controllers/AbonneControllerPretsTest.php

@@ -231,6 +231,12 @@ abstract class AbonneControllerPretsListThreePretsTestCase
                       'erreur' => ''])
       ->setPseudo('FloFlo');
   }
+
+
+  public function tearDown() {
+    Class_WebService_SIGB_Emprunt::setTimeSource(null);
+    parent::tearDown();
+  }
 }