diff -u b/core/modules/config/src/Tests/ConfigExportImportUITest.php b/core/modules/config/src/Tests/ConfigExportImportUITest.php
--- b/core/modules/config/src/Tests/ConfigExportImportUITest.php
+++ b/core/modules/config/src/Tests/ConfigExportImportUITest.php
@@ -127,10 +127,6 @@
       ->save();
     $this->drupalGet('admin/config/development/configuration');
     $this->assertText('Your current configuration has changed. Changes to these configuration items will be lost on the next synchronization: system.site');
-    $this->drupalPostForm('admin/config/development/configuration', array(), 'Import all');
-    $this->drupalGet('admin/config/development/configuration');
-    $this->assertNoText(t('Your current configuration has changed, these changes will be lost on the next synchronization.'));
-    $this->assertText(t('There are no configuration changes.'));
   }
 
   /**