diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateActionConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateActionConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateActionConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateActionConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateActionConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('action');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateAggregatorConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateAggregatorConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateAggregatorConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateAggregatorConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateAggregatorConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('aggregator');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateBookConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateBookConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateBookConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateBookConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateBookConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('book');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateContactConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateContactConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateContactConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateContactConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateContactConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('contact');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateDblogConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateDblogConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateDblogConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateDblogConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateDblogConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('dblog');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFileConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFileConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFileConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFileConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateFileConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('file');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateForumConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateForumConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateForumConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateForumConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateForumConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('forum');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateLocaleConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateLocaleConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateLocaleConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateLocaleConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateLocaleConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('locale');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateMenuConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateMenuConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateMenuConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateMenuConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateMenuConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('menu');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSearchConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSearchConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSearchConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSearchConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateSearchConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('search');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSimpletestConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSimpletestConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSimpletestConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSimpletestConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateSimpletestConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('simpletest');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateStatisticsConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateStatisticsConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateStatisticsConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateStatisticsConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateStatisticsConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('statistics');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSyslogConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSyslogConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSyslogConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSyslogConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateSyslogConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('syslog');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTaxonomyConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTaxonomyConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTaxonomyConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTaxonomyConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateTaxonomyConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('taxonomy');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTextConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTextConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTextConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTextConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateTextConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('text');
 
   /**
diff -u b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateUpdateConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateUpdateConfigsTest.php
--- b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateUpdateConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateUpdateConfigsTest.php
@@ -16,6 +16,11 @@
  */
 class MigrateUpdateConfigsTest extends MigrateDrupalTestBase {
 
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
   public static $modules = array('update');
 
   /**