1 files changed, 2 insertions, 0 deletions
diff --git a/modules/node/node.test b/modules/node/node.test
index bfe371755..268b45988 100644
--- a/modules/node/node.test
+++ b/modules/node/node.test
@@ -571,6 +571,8 @@ class NodeCreationTestCase extends DrupalWebTestCase {
     );
 
     try {
+      // An exception is generated by node_test_exception_node_insert() if the
+      // title is 'testing_transaction_exception'.
       node_save((object) $edit);
       $this->fail(t('Expected exception has not been thrown.'));
     }