diff --git a/core/modules/dblog/tests/src/Functional/DbLogTest.php b/core/modules/dblog/tests/src/Functional/DbLogTest.php
index 0e8cd1d4dc..bd3fc9b058 100644
--- a/core/modules/dblog/tests/src/Functional/DbLogTest.php
+++ b/core/modules/dblog/tests/src/Functional/DbLogTest.php
@@ -119,7 +119,7 @@ public function testLogEventPage() {
   }
 
   /**
-   * Test individual log event page.
+   * Test that twig errors are displayed correctly.
    */
   public function testMessageParsing() {
     $this->drupalLogin($this->adminUser);
diff --git a/core/tests/Drupal/Tests/Core/Logger/LogMessageParserTest.php b/core/tests/Drupal/Tests/Core/Logger/LogMessageParserTest.php
index 395517f51f..05d151e5f3 100644
--- a/core/tests/Drupal/Tests/Core/Logger/LogMessageParserTest.php
+++ b/core/tests/Drupal/Tests/Core/Logger/LogMessageParserTest.php
@@ -63,6 +63,11 @@ public function providerTestParseMessagePlaceholders() {
         ['message' => 'Test {with} two {encapsuled} strings', 'context' => ['with' => 'together', 'encapsuled' => 'awesome']],
         ['message' => 'Test @with two @encapsuled strings', 'context' => ['@with' => 'together', '@encapsuled' => 'awesome']],
       ],
+      // Message with PSR3 and twig style messagea.
+      [
+        ['message' => 'Test {with} twig {{encapsuled}} strings', 'context' => ['with' => 'together', 'encapsuled' => 'awesome']],
+        ['message' => 'Test @with twig {@encapsuled} strings', 'context' => ['@with' => 'together', '@encapsuled' => 'awesome']],
+      ],
     ];
   }