diff --git a/core/modules/simpletest/src/TestDiscovery.php b/core/modules/simpletest/src/TestDiscovery.php
index 4c762a7..1d4d579 100644
--- a/core/modules/simpletest/src/TestDiscovery.php
+++ b/core/modules/simpletest/src/TestDiscovery.php
@@ -160,9 +160,9 @@ public function getTestClasses($extension = NULL) {
       try {
         $info = static::getTestInfo($classname, $parser->getDocComment());
       }
-      catch (\LogicException $e) {
-        // If the class is missing a summary line or an @group annotation just
-        // skip it. Most likely it is an abstract class, trait or test fixture.
+      catch (MissingGroupException $e) {
+        // If the class is @group annotation just skip it. Most likely it is an
+        // abstract class, trait or test fixture.
         continue;
       }
       // Skip this test class if it requires unavailable modules.