dev #47780 : test feedback : fix test failure

library/digital_resources/Assimil/tests/AssimilTest.php

@@ -670,6 +670,13 @@ class AssimilRechercheControllerWithFacetTest extends AbstractControllerTestCase
 
   public function setUp() {
     parent::setUp();
+
+    $this->mock_sql = $this->mock()
+                           ->whenCalled('fetchAll')
+                           ->answers([]);
+
+    Zend_Registry::set('sql', $this->mock_sql);
+
     $this->dispatch('/opac/recherche/simple/expressionRecherche/*/facette/TAssimil', true);
   }