diff --git a/core/tests/Drupal/Tests/Component/PhpStorage/PhpStorageTestBase.php b/core/tests/Drupal/Tests/Component/PhpStorage/PhpStorageTestBase.php
index 9abc86b..d3ad513 100644
--- a/core/tests/Drupal/Tests/Component/PhpStorage/PhpStorageTestBase.php
+++ b/core/tests/Drupal/Tests/Component/PhpStorage/PhpStorageTestBase.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\Tests\Component\PhpStorage;
 
+use Drupal\Component\PhpStorage\PhpStorageInterface;
 use Drupal\Tests\UnitTestCase;
 use org\bovigo\vfs\vfsStream;
 
@@ -48,6 +49,7 @@ public function assertCRUD($php) {
     $this->assertTrue($success, 'Saved php file');
     $php->load($name);
     $this->assertTrue($GLOBALS[$random], 'File saved correctly with correct value');
+    $this->additionalAssertCRUD($php, $name);
 
     // If the file was successfully loaded, it must also exist, but ensure the
     // exists() method returns that correctly.
@@ -63,4 +65,16 @@ public function assertCRUD($php) {
     unset($GLOBALS[$random]);
   }
 
+  /**
+   * Additional asserts to be run.
+   *
+   * @param \Drupal\Component\PhpStorage\PhpStorageInterface $php
+   *   The PHP storage object.
+   * @param string $name
+   *   The name of an object. It should exist in the storage.
+   */
+  protected function additionalAssertCRUD(PhpStorageInterface $php, $name) {
+
+  }
+
 }