reverted:
--- b/core/modules/block/tests/src/Kernel/Migrate/d6/MigrateBlockTest.php
+++ a/core/modules/block/tests/src/Kernel/Migrate/d6/MigrateBlockTest.php
@@ -3,7 +3,6 @@
 namespace Drupal\Tests\block\Kernel\Migrate\d6;
 
 use Drupal\block\Entity\Block;
-use Drupal\Core\Block\BlockPluginInterface;
 use Drupal\Tests\migrate_drupal\Kernel\d6\MigrateDrupal6TestBase;
 
 /**
@@ -103,7 +102,7 @@
     $this->assertEntity('user', $visibility, 'sidebar_first', 'bartik', 0, '', '0');
 
     $visibility = [];
+    $this->assertEntity('user_1', $visibility, 'sidebar_first', 'bartik', 0, '', '0');
-    $this->assertEntity('user_1', $visibility, 'sidebar_first', 'bartik', 0, 'zu - Test Title 02', BlockPluginInterface::BLOCK_LABEL_VISIBLE);
 
     $visibility['user_role']['id'] = 'user_role';
     $roles['authenticated'] = 'authenticated';
@@ -132,7 +131,7 @@
 
     // Check menu blocks
     $visibility = [];
+    $this->assertEntity('menu', $visibility, 'header', 'bartik', -5, '', '0');
-    $this->assertEntity('menu', $visibility, 'header', 'bartik', -5, 'fr - primary', BlockPluginInterface::BLOCK_LABEL_VISIBLE);
 
     // Check custom blocks
     $visibility['request_path']['id'] = 'request_path';