Issue #2262483 by sun: Some PHPUnit tests do not exist.

core/tests/Drupal/Tests/Core/Config/Entity/ConfigDependencyManagerTest.php

 <?php
 
-namespace Drupal\Tests\Core\Config;
+/**
+ * @file
+ * Contains \Drupal\Tests\Core\Config\Entity\ConfigDependencyManagerTest.
+ */
+
+namespace Drupal\Tests\Core\Config\Entity;
 
 use Drupal\Tests\UnitTestCase;
 use Drupal\Core\Config\Entity\ConfigDependencyManager;

core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityDependencyTest.php

 <?php
 
-namespace Drupal\Tests\Core\Config;
+/**
+ * @file
+ * Contains \Drupal\Tests\Core\Config\Entity\ConfigEntityDependencyTest.
+ */
+
+namespace Drupal\Tests\Core\Config\Entity;
 
 use Drupal\Tests\UnitTestCase;
 use Drupal\Core\Config\Entity\ConfigEntityDependency;