diff --git a/core/modules/field_ui/field_ui.test b/core/modules/field_ui/field_ui.test
index adfd900..68c4789 100644
--- a/core/modules/field_ui/field_ui.test
+++ b/core/modules/field_ui/field_ui.test
@@ -9,6 +9,7 @@
  * Provides common functionality for the Field UI test classes.
  */
 class FieldUITestCase extends DrupalWebTestCase {
+  static $modules = array('field_ui', 'field_test', 'taxonomy');
 
   function setUp() {
     // Since this is a base class for many test cases, support the same
@@ -18,9 +19,6 @@ class FieldUITestCase extends DrupalWebTestCase {
     if (isset($modules[0]) && is_array($modules[0])) {
       $modules = $modules[0];
     }
-    $modules[] = 'field_ui';
-    $modules[] = 'field_test';
-    $modules[] = 'taxonomy';
     parent::setUp($modules);
 
     // Create test user.
@@ -138,6 +136,8 @@ class FieldUITestCase extends DrupalWebTestCase {
 class FieldUIManageFieldsTestCase extends FieldUITestCase {
   protected $profile = 'testing';
 
+  static $modules = array('node');
+
   public static function getInfo() {
     return array(
       'name' => 'Manage fields',
diff --git a/core/modules/simpletest/drupal_web_test_case.php b/core/modules/simpletest/drupal_web_test_case.php
index a5fb606..c896df3 100644
--- a/core/modules/simpletest/drupal_web_test_case.php
+++ b/core/modules/simpletest/drupal_web_test_case.php
@@ -1387,6 +1387,14 @@ class DrupalWebTestCase extends DrupalTestCase {
     if (isset($modules[0]) && is_array($modules[0])) {
       $modules = $modules[0];
     }
+    // Collect modules to install.
+    $class = $this;
+    while ($class) {
+      if (property_exists($class, 'modules')) {
+        $modules = array_merge($modules, $class::$modules);
+      }
+      $class = get_parent_class($class);
+    }
     if ($modules) {
       $success = module_enable($modules, TRUE);
       $this->assertTrue($success, t('Enabled modules: %modules', array('%modules' => implode(', ', $modules))));