dev#39820: fix fatal errors

tests/library/Class/ArticleLoaderTest.php

@@ -257,8 +257,8 @@ class ArticleLoaderGetArticlesByPreferencesTest extends ModelTestCase {
                     'model' => 'Article']);
 
     $articles = $this->getArticles(['display_order' => 'EventDebut',
-                                    'custom_fields' => [5 => 'value1',
-                                                        12 => 'value2'],
+                                    'custom_fields' => [5 => ['value1'],
+                                                        12 => ['value2']],
                                     'id_categorie' => '4',
                                     'nb_aff' => 3]);
 
@@ -435,7 +435,7 @@ class ArticleLoaderWithCustomFieldsTest extends ModelTestCase {
 
   /** @test */
   public function articlesByPrefsWithWifiShouldReturnSoireeNet() {
-    $articles = Class_Article::getArticlesByPreferences(['custom_fields' => [5 => 'wifi']]);
+    $articles = Class_Article::getArticlesByPreferences(['custom_fields' => [5 => ['wifi']]]);
 
     $this->assertEquals(['Soirée internet'],
                         (new Storm_Model_Collection($articles))->collect('titre')->getArrayCopy());