diff --git a/core/tests/Drupal/Tests/Core/Plugin/DefaultLazyPluginCollectionTest.php b/core/tests/Drupal/Tests/Core/Plugin/DefaultLazyPluginCollectionTest.php
index 363c9afc32719d42680b2ba88aa8b274f22f0066..8877683bea1d1620d79788cbffc7ab889ea6fcd1 100644
--- a/core/tests/Drupal/Tests/Core/Plugin/DefaultLazyPluginCollectionTest.php
+++ b/core/tests/Drupal/Tests/Core/Plugin/DefaultLazyPluginCollectionTest.php
@@ -235,7 +235,7 @@ public function testConfigurableSetConfiguration() {
     $this->defaultPluginCollection->setConfiguration(['cherry' => ['value' => 'kiwi', 'id' => 'cherry']]);
     $expected['cherry'] = ['value' => 'kiwi', 'id' => 'cherry'];
     $config = $this->defaultPluginCollection->getConfiguration();
-    $this->assertSame(['cherry' => ['value' => 'kiwi', 'id' => 'cherry']], $config);
+    $this->assertSame($expected, $config);
 
   }