diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigExportImportUITest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigExportImportUITest.php
index 539879a..7b4fec6 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigExportImportUITest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigExportImportUITest.php
@@ -33,6 +33,13 @@ class ConfigExportImportUITest extends WebTestBase {
    * @var string
    */
   protected $tarball;
+  
+  /**
+   * A content type, held between test methods.
+   * 
+   * @var string
+   */
+  protected $content_type;
 
   /**
    * The name of the role with config UI administer permissions.
@@ -70,11 +77,17 @@ protected function setUp() {
    */
   function testExport() {
     // Create a role for second round.
-    $this->admin_role = $this->drupalCreateRole(array('synchronize configuration', 'import configuration'));
+    $this->admin_role = $this->drupalCreateRole(array('synchronize configuration', 'import configuration', 'administer content types'));
     $this->slogan = $this->randomString(16);
     \Drupal::config('system.site')
       ->set('slogan', $this->slogan)
       ->save();
+    
+    // Create a content type programmaticaly.
+    $this->content_type = $this->drupalCreateContentType();
+    $type_exists = (bool) entity_load('node_type', $this->content_type->type);
+    $this->assertTrue($type_exists, 'The new content type has been created in the database.');
+    
     $this->drupalPostForm('admin/config/development/configuration/full/export', array(), 'Export');
     $this->tarball = $this->drupalGetContent();
   }
@@ -91,22 +104,34 @@ function testImport() {
     $web_user->addRole($this->admin_role);
     $web_user->save();
     $this->drupalLogin($web_user);
+    
+    // Change the site slogan.
     \Drupal::config('system.site')
       ->set('slogan', $this->randomString(16))
       ->save();
+    $this->assertNotEqual($this->slogan, \Drupal::config('system.site')->get('slogan'));
+    
+    // Delete the content type we added earlier.
+    $this->drupalPostForm('admin/structure/types/manage/' . $this->content_type->type . '/delete', array(), 'Delete');
+    $type_exists = (bool) entity_load('node_type', $this->content_type->type);
+    $this->assertFalse($type_exists, 'The new content type has been deleted.');
+    
     $this->doImport($filename);
+    
+    // Check that settings are returned to their prior values.
+    $this->assertEqual($this->slogan, \Drupal::config('system.site')->get('slogan'));
+    $type_exists = (bool) entity_load('node_type', $this->content_type->type);
+    $this->assertTrue($type_exists, 'The new content type has been created in the database.');
   }
 
   /**
-   * Import a tarball and assert the data is correct.
+   * Import a tarball.
    *
    * @param string $filename
    *   The name of the tarball containing the configuration to be imported.
    */
   protected function doImport($filename) {
-    $this->assertNotEqual($this->slogan, \Drupal::config('system.site')->get('slogan'));
     $this->drupalPostForm('admin/config/development/configuration/full/import', array('files[import_tarball]' => $filename), 'Upload');
     $this->drupalPostForm(NULL, array(), 'Import all');
-    $this->assertEqual($this->slogan, \Drupal::config('system.site')->get('slogan'));
   }
 }