diff --git a/src/Tests/HooksTest.php b/src/Tests/HooksTest.php
index fe643f3..a48067a 100644
--- a/src/Tests/HooksTest.php
+++ b/src/Tests/HooksTest.php
@@ -77,10 +77,14 @@ class HooksTest extends WebTestBase {
     $this->drupalGet($this->getIndexPath('processors'));
     $this->assertText('Mystic bounce');
 
-    // hook_search_api_index_items_alter was triggered.
     $this->drupalGet($this->getIndexPath());
     $this->drupalPostForm(NULL, [], $this->t('Index now'));
+
+    // hook_search_api_index_items_alter was triggered.
+    $this->assertText('There are 2 items indexed on the server for this index.');
+    $this->assertText('Successfully indexed 3 items.');
     $this->assertText('Stormy');
+
     // hook_search_api_items_indexed was triggered.
     $this->assertText('Please set me at ease');
 
diff --git a/tests/search_api_test_hooks/search_api_test_hooks.module b/tests/search_api_test_hooks/search_api_test_hooks.module
index 9323893..254d6e4 100644
--- a/tests/search_api_test_hooks/search_api_test_hooks.module
+++ b/tests/search_api_test_hooks/search_api_test_hooks.module
@@ -30,6 +30,7 @@ function search_api_test_hooks_search_api_processor_info_alter(array &$processor
  * Implements hook_search_api_index_items_alter.
  */
 function search_api_test_hooks_search_api_index_items_alter(\Drupal\search_api\IndexInterface $index, array &$items) {
+  unset($items['entity:node/1:en']);
   drupal_set_message('Stormy');
 }