Issue #3007606 by amateescu: Force all update path tests to only run one entity per batch

core/modules/taxonomy/tests/src/Functional/Update/TaxonomyParentUpdateTest.php

@@ -47,16 +47,6 @@ public function setDatabaseDumpFiles() {
    * @see taxonomy_update_8503()
    */
   public function testTaxonomyUpdateParents() {
-    // Force the update hook to only run one term per batch.
-    drupal_rewrite_settings([
-      'settings' => [
-        'entity_update_batch_size' => (object) [
-          'value' => 1,
-          'required' => TRUE,
-        ],
-      ],
-    ]);
-
     // Run updates.
     $this->runUpdates();
 

core/tests/Drupal/FunctionalTests/Update/UpdatePathTestBase.php

@@ -266,6 +266,12 @@ protected function prepareSettings() {
       'required' => TRUE,
     ];
 
+    // Force every update hook to only run one entity per batch.
+    $settings['entity_update_batch_size'] = (object) [
+      'value' => 1,
+      'required' => TRUE,
+    ];
+
     $this->writeSettings($settings);
   }