diff --git a/core/modules/config/config.test b/core/modules/config/config.test
index c59ec764d64..afb0bafba94 100644
--- a/core/modules/config/config.test
+++ b/core/modules/config/config.test
@@ -206,6 +206,39 @@ class ConfigFileContentTestCase extends DrupalWebTestCase {
     // Read unset nested value
     $this->assertNull($config->get($nested_key), t('Nested value unset.'));
 
+    // Create two new configuration files to test listing
+    $config = config('foo.baz');
+    $config->set($key, $value);
+    $config->save();
+    
+    $config = config('biff.bang');
+    $config->set($key, $value);
+    $config->save();
+    
+    // Get file listing for all files starting with 'foo'. Should return
+    // two elements.
+    $files = config_get_signed_file_storage_names_with_prefix('foo');
+    debug($files);
+    $this->assertEqual(count($files), 2, 'Two files listed with the prefix \'foo\'.');
+    
+    // Get file listing for all files starting with 'biff'. Should return
+    // one element.
+    $files = config_get_signed_file_storage_names_with_prefix('biff');
+    debug($files);
+    $this->assertEqual(count($files), 1, 'One file listed with the prefix \'biff\'.');
+    
+    // Get file listing for all files starting with 'foo.bar'. Should return 
+    // one element.
+    $files = config_get_signed_file_storage_names_with_prefix('foo.bar');
+    debug($files);
+    $this->assertEqual(count($files), 1, 'One file listed with the prefix \'foo.bar\'.');
+
+    // Get file listing for all files starting with 'bar'. Should return 
+    // an empty array.
+    $files = config_get_signed_file_storage_names_with_prefix('bar');
+    debug($files);
+    $this->assertEqual($files, array(), 'No files listed with the prefix \'bar\'.');
+
     // Delete the configuration.
     $config = config($name);
     $config->delete();
@@ -214,7 +247,7 @@ class ConfigFileContentTestCase extends DrupalWebTestCase {
     $db_config = db_query('SELECT * FROM {config} WHERE name = :name', array(':name' => $name))->fetch();
     $this->assertIdentical($db_config, FALSE);
     $this->assertFalse(file_exists($config_dir . '/' . $name . '.' . $this->fileExtension));
-
+    
     // Chainable ->set()->save()
     // Attempt to delete non-existing configuration.
     // Type casting into string. (recursively)