diff -u b/block_example/src/Tests/BlockExampleTest.php b/block_example/src/Tests/BlockExampleTest.php
--- b/block_example/src/Tests/BlockExampleTest.php
+++ b/block_example/src/Tests/BlockExampleTest.php
@@ -38,7 +38,7 @@
     $theme_name = \Drupal::config('system.theme')->get('default');
 
     // Verify the blocks are listed to be added.
-    $this->drupalGet('/admin/structure/block/list/' . $theme_name);
+    $this->drupalGet('/admin/structure/block/library/' . $theme_name);
     $this->assertRaw(t('Title of first block (example_configurable_text)'), 'Block configurable-string found.');
     $this->assertRaw(t('Example: empty block'), 'Block empty-block found.');
     $this->assertRaw(t('Example: uppercase this please'), 'Block uppercase found.');