diff --git a/core/tests/Drupal/Tests/Component/Plugin/PluginInspectionTraitTest.php b/core/tests/Drupal/Tests/Component/Plugin/PluginInspectionTraitTest.php
index 6698fb3a6d..e460cb4b0b 100644
--- a/core/tests/Drupal/Tests/Component/Plugin/PluginInspectionTraitTest.php
+++ b/core/tests/Drupal/Tests/Component/Plugin/PluginInspectionTraitTest.php
@@ -34,29 +34,29 @@ public function testDeprecated($plugin_definition, $deprecation_message) {
    * Provides data for testDeprecated.
    */
   public function providerTestDeprecated() {
-    $msg = 'foo';
+    $message = 'foo';
     $plugin_definition = $this->getMockBuilder(PluginDefinitionInterface::class)
       ->getMock();
-    $plugin_definition->deprecationMessage = $msg;
+    $plugin_definition->deprecationMessage = $message;
 
     $definition_with_additional = $this->getMockBuilder(PluginDefinitionInterface::class)
       ->addMethods(['get'])
       ->getMockForAbstractClass();
-    $definition_with_additional->additional = ['deprecation_message' => $msg];
-    $definition_with_additional->method('get')->willReturn(['deprecation_message' => $msg]);
+    $definition_with_additional->additional = ['deprecation_message' => $message];
+    $definition_with_additional->method('get')->willReturn(['deprecation_message' => $message]);
 
     return [
       'definition is an array' => [
-        ['value', ['key' => 'value'], 'deprecation_message' => $msg],
-        $msg,
+        ['value', ['key' => 'value'], 'deprecation_message' => $message],
+        $message,
       ],
       'definition is an object' => [
         $plugin_definition,
-        $msg,
+        $message,
       ],
       'definition is an object with additional' => [
         $definition_with_additional,
-        $msg,
+        $message,
       ],
     ];
   }