hotline #50888 : fix failure

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

@@ -3072,7 +3072,7 @@ class RechercheControllerNoResultOnSubscriberLinkTest extends AbstractController
 
   /** @test */
   public function noResultMesssageShouldBeDisplay() {
-    $this->assertXPathContentContains('//div[@class="info-recherche"]',
+    $this->assertXPathContentContains('//div[@class="resultat_recherche"]',
                                       'Aucun résultat trouvé',
                                       $this->_response->getBody());
   }