diff --git a/core/tests/Drupal/Tests/Component/Plugin/DefaultPluginBagTest.php b/core/tests/Drupal/Tests/Component/Plugin/DefaultPluginBagTest.php
index 0f5cb50..f12c146 100644
--- a/core/tests/Drupal/Tests/Component/Plugin/DefaultPluginBagTest.php
+++ b/core/tests/Drupal/Tests/Component/Plugin/DefaultPluginBagTest.php
@@ -53,7 +53,7 @@ public function testGet() {
     $this->setupPluginBag($this->once());
     $apple = $this->pluginInstances['apple'];
 
-    $this->assertEquals($apple, $this->defaultPluginBag->get('apple'));
+    $this->assertSame($apple, $this->defaultPluginBag->get('apple'));
   }
 
   /**
diff --git a/core/tests/Drupal/Tests/Component/Plugin/DefaultSinglePluginBagTest.php b/core/tests/Drupal/Tests/Component/Plugin/DefaultSinglePluginBagTest.php
index eb0d3f4..85718f8 100644
--- a/core/tests/Drupal/Tests/Component/Plugin/DefaultSinglePluginBagTest.php
+++ b/core/tests/Drupal/Tests/Component/Plugin/DefaultSinglePluginBagTest.php
@@ -7,7 +7,6 @@
 
 namespace Drupal\Tests\Component\Plugin;
 
-use Drupal\Component\Plugin\DefaultPluginBag;
 use Drupal\Component\Plugin\DefaultSinglePluginBag;
 
 /**
@@ -46,12 +45,13 @@ protected function setupPluginBag(\PHPUnit_Framework_MockObject_Matcher_InvokedR
   }
 
   /**
-   * Tests the getConfiguration() method with configurable plugins.
+   * Tests the get() method.
    */
-  public function testConfigurableGetConfiguration() {
+  public function testGet() {
     $this->setupPluginBag($this->once());
-    $plugin = $this->defaultPluginBag->get('apple');
-    $this->assertSame('apple', $plugin->getPluginId());
+    $apple = $this->pluginInstances['apple'];
+
+    $this->assertSame($apple, $this->defaultPluginBag->get('apple'));
   }
 
 }