diff --git a/modules/simpletest/tests/upgrade/drupal-6.node_type_broken.database.php b/modules/simpletest/tests/upgrade/drupal-6.node_type_broken.database.php
new file mode 100644
index 00000000000..1dc1946b39a
--- /dev/null
+++ b/modules/simpletest/tests/upgrade/drupal-6.node_type_broken.database.php
@@ -0,0 +1,34 @@
+<?php
+db_insert('comments')->fields(array(
+  'cid',
+  'pid',
+  'nid',
+  'uid',
+  'subject',
+  'comment',
+  'hostname',
+  'timestamp',
+  'status',
+  'format',
+  'thread',
+  'name',
+  'mail',
+  'homepage',
+))
+->values(array(
+  'cid' => 1,
+  'pid' => 0,
+  'nid' => 37,
+  'uid' => 3,
+  'subject' => 'Comment title 1',
+  'comment' => 'Comment body 1 - Comment body 1 - Comment body 1 - Comment body 1 - Comment body 1 - Comment body 1 - Comment body 1 - Comment body 1',
+  'hostname' => '127.0.0.1',
+  'timestamp' => 1008617630,
+  'status' => 0,
+  'format' => 1,
+  'thread' => '01/',
+  'name' => NULL,
+  'mail' => NULL,
+  'homepage' => '',
+))
+->execute();