diff --git a/tests/src/Kernel/Processor/AddHierarchyTest.php b/tests/src/Kernel/Processor/AddHierarchyTest.php
index 4775f3c..df06a30 100644
--- a/tests/src/Kernel/Processor/AddHierarchyTest.php
+++ b/tests/src/Kernel/Processor/AddHierarchyTest.php
@@ -6,7 +6,7 @@ use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\field\Tests\EntityReference\EntityReferenceTestTrait;
 use Drupal\node\Entity\NodeType;
 use Drupal\search_api\Item\Field;
-use Drupal\search_api\Utility;
+use Drupal\search_api\Utility\Utility;
 use Drupal\simpletest\NodeCreationTrait;
 use Drupal\taxonomy\Tests\TaxonomyTestTrait;
 use Drupal\Tests\search_api\Kernel\ResultsTrait;
@@ -132,7 +132,7 @@ class AddHierarchyTest extends ProcessorTestBase {
 
     // Setup a node index.
     $manager = $this->container->get('plugin.manager.search_api.datasource');
-    $datasources['entity:node'] = $manager->createInstance('entity:node', ['index' => $this->index]);
+    $datasources['entity:node'] = $manager->createInstance('entity:node', ['#index' => $this->index]);
     $this->index->setDatasources($datasources);
     $this->index->save();
     $this->container->get('search_api.index_task_manager')->addItemsAll($this->index);
@@ -188,8 +188,8 @@ class AddHierarchyTest extends ProcessorTestBase {
     $this->assertResults($result, $expected);
 
     // Enable hierarchical indexing.
-    $processor = $this->index->getProcessors()['add_hierarchy'];
-    $processor->setConfiguration(array('fields' => array('term_field')));
+    $processor = $this->index->getProcessors()['hierarchy'];
+    $processor->setConfiguration(array('hierarchy_fields' => array('term_field')));
     $this->index->addProcessor($processor);
     $this->index->save();
     $this->index->reindex();
@@ -250,8 +250,8 @@ class AddHierarchyTest extends ProcessorTestBase {
     $this->assertResults($result, $expected);
 
     // Enable hierarchical indexing.
-    $processor = $this->index->getProcessors()['add_hierarchy'];
-    $processor->setConfiguration(array('fields' => array('parent_reference')));
+    $processor = $this->index->getProcessors()['hierarchy'];
+    $processor->setConfiguration(array('hierarchy_fields' => array('parent_reference')));
     $this->index->addProcessor($processor);
     $this->index->save();
     $this->index->reindex();