diff --git a/core/modules/search/lib/Drupal/search/Tests/SearchConfigSettingsFormTest.php b/core/modules/search/lib/Drupal/search/Tests/SearchConfigSettingsFormTest.php
index 0cff49d..8fe78fb 100644
--- a/core/modules/search/lib/Drupal/search/Tests/SearchConfigSettingsFormTest.php
+++ b/core/modules/search/lib/Drupal/search/Tests/SearchConfigSettingsFormTest.php
@@ -303,6 +303,33 @@ public function testMultipleSearchPages() {
   }
 
   /**
+   * Test that changing the throttle value is reflected in the config.
+   */
+  function testNodeSearchSettingsForm() {
+    // This doesn't test the indexing itself, since the form only goes down to
+    // indexing 10 nodes per batch, and creating and indexing at least 11 nodes
+    // would be a slow test for the benefit gained. The throttle itself is
+    // tested by SearchMultilingualEntityTest::testIndexingThrottle().
+
+    $indexing_throttle = \Drupal::config('search.page.node_search')->get('configuration.cron_limit');
+    $this->assertEqual($indexing_throttle, 100, 'Default indexing throttle is 100.');
+
+    $this->drupalGet('admin/config/search/settings/manage/node_search');
+    $this->assertText(t('Number of items to index per cron run'));
+
+    $edit = array(
+      'cron_limit' => 50,
+    );
+    $this->drupalPostForm('admin/config/search/settings/manage/node_search', $edit, t('Save search page'));
+    $this->assertText(t('The Content search page has been updated.'));
+
+    $indexing_throttle = \Drupal::config('search.page.node_search')->get('configuration.cron_limit');
+    $this->assertEqual($indexing_throttle, 50, 'Indexing throttle is now 50.');
+
+    // Content ranking settings are tested by SearchRankingTest
+  }
+
+  /**
    * Checks that the search page operations match expectations.
    *
    * @param string $id