diff --git a/core/modules/migrate_drupal/tests/fixtures/drupal6.php b/core/modules/migrate_drupal/tests/fixtures/drupal6.php
index d194a84..4638d4a 100644
--- a/core/modules/migrate_drupal/tests/fixtures/drupal6.php
+++ b/core/modules/migrate_drupal/tests/fixtures/drupal6.php
@@ -3301,9 +3301,9 @@
   'field_test_link_url' => 'https://www.drupal.org/project/drupal',
   'field_test_link_title' => 'Drupal project page',
   'field_test_link_attributes' => 's:32:"a:1:{s:6:"target";s:6:"_blank";}";',
-  'field_test_date_value' => NULL,
-  'field_test_datestamp_value' => NULL,
-  'field_test_datetime_value' => NULL,
+  'field_test_date_value' => '2013-01-02T04:05:00',
+  'field_test_datestamp_value' => '1391357160',
+  'field_test_datetime_value' => '2015-03-04 06:07:00',
   'field_test_email_email' => NULL,
   'field_test_filefield_fid' => '5',
   'field_test_filefield_list' => '1',
@@ -3332,9 +3332,9 @@
   'field_test_link_url' => 'https://www.drupal.org/project/drupal',
   'field_test_link_title' => 'Drupal project page',
   'field_test_link_attributes' => 's:32:"a:1:{s:6:"target";s:6:"_blank";}";',
-  'field_test_date_value' => NULL,
-  'field_test_datestamp_value' => NULL,
-  'field_test_datetime_value' => NULL,
+  'field_test_date_value' => '2013-01-02T04:05:00',
+  'field_test_datestamp_value' => '1391357160',
+  'field_test_datetime_value' => '2015-03-04 06:07:00',
   'field_test_email_email' => NULL,
   'field_test_filefield_fid' => NULL,
   'field_test_filefield_list' => NULL,
@@ -3425,9 +3425,9 @@
   'field_test_link_url' => 'node/10',
   'field_test_link_title' => 'Buy it now',
   'field_test_link_attributes' => 's:32:"a:1:{s:6:"target";s:6:"_blank";}";',
-  'field_test_date_value' => '2013-01-02T04:05:00',
-  'field_test_datestamp_value' => '1391357160',
-  'field_test_datetime_value' => '2015-03-04 06:07:00',
+  'field_test_date_value' => NULL,
+  'field_test_datestamp_value' => NULL,
+  'field_test_datetime_value' => NULL,
   'field_test_email_email' => NULL,
   'field_test_filefield_fid' => NULL,
   'field_test_filefield_list' => NULL,