Index: modules/simpletest/drupal_test_suite.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/drupal_test_suite.php,v
retrieving revision 1.2
diff -u -r1.2 drupal_test_suite.php
--- modules/simpletest/drupal_test_suite.php	23 Apr 2008 17:49:50 -0000	1.2
+++ modules/simpletest/drupal_test_suite.php	1 May 2008 00:15:08 -0000
@@ -121,6 +121,9 @@
         $files[] = $test;
       }
     }
+    foreach (file_scan_directory('includes', '\.test$') as $file) {
+      $files[] = $file->filename;
+    }
     return $files;
   }
 
Index: modules/simpletest/simpletest.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/simpletest.module,v
retrieving revision 1.1
diff -u -r1.1 simpletest.module
--- modules/simpletest/simpletest.module	20 Apr 2008 18:23:29 -0000	1.1
+++ modules/simpletest/simpletest.module	1 May 2008 00:16:40 -0000
@@ -69,7 +69,7 @@
       drupal_set_message(t('It is strongly suggested to run the tests with the first user!'));
     }
     $path = drupal_get_path('module', 'simpletest') .'/';
-    foreach (array('simpletest.php', 'unit_tester.php', 'reporter.php', 'drupal_reporter.php', 'drupal_web_test_case.php', 'drupal_test_suite.php') as $file) {
+    foreach (array('simpletest.php', 'unit_tester.php', 'reporter.php', 'drupal_reporter.php', 'drupal_web_test_case.php', 'drupal_unit_test_case.php', 'drupal_test_suite.php') as $file) {
       require_once($path . $file);
     }
   }