diff --git a/core/modules/config/config.api.php b/core/modules/config/config.api.php
index d3fe095..8f95d32 100644
--- a/core/modules/config/config.api.php
+++ b/core/modules/config/config.api.php
@@ -44,7 +44,7 @@ function hook_config_import($op, $name, $new_config, $old_config) {
     $style = $old_config->get();
     return image_style_delete($style);
   }
-  if ($op == 'new') {
+  if ($op == 'create') {
     $style = $new_config->get();
     return image_style_save($style);
   }
diff --git a/core/modules/config/config_test/config_test.module b/core/modules/config/config_test/config_test.module
index 4a3da4b..f789d4b 100644
--- a/core/modules/config/config_test/config_test.module
+++ b/core/modules/config/config_test/config_test.module
@@ -26,7 +26,7 @@ function config_test_config_import($op, $name, $new_config, $old_config) {
     $config_test = new ConfigTest($old_config);
     $config_test->delete();
   }
-  if ($op == 'new') {
+  if ($op == 'create') {
     $config_test = new ConfigTest($new_config);
     $config_test->save();
   }
diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigImportTest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigImportTest.php
index 80ca7fd..09baded 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigImportTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigImportTest.php
@@ -67,26 +67,35 @@ class ConfigImportTest extends WebTestBase {
    */
   function testNew() {
     $name = 'config_test.new';
+    $dynamic_name = 'config_test.dynamic.new';
 
     // Verify the configuration to create does not exist yet.
     $file_storage = new FileStorage();
     $this->assertIdentical($file_storage->exists($name), FALSE, $name . ' not found.');
+    $this->assertIdentical($file_storage->exists($dynamic_name), FALSE, $dynamic_name . ' not found.');
 
     // Export.
     config_export();
 
-    // Create a new configuration object.
+    // Create new configuration objects.
     $file_storage->write($name, array(
       'add_me' => 'new value',
     ));
+    $file_storage->write($dynamic_name, array(
+      'id' => 'new',
+      'name' => 'New',
+    ));
     $this->assertIdentical($file_storage->exists($name), TRUE, $name . ' found.');
+    $this->assertIdentical($file_storage->exists($dynamic_name), TRUE, $dynamic_name . ' found.');
 
     // Import.
     config_import();
 
-    // Verify the value has appeared.
+    // Verify the values appeared.
     $config = config($name);
     $this->assertIdentical($config->get('add_me'), 'new value');
+    $config = config($dynamic_name);
+    $this->assertIdentical($config->get('name'), 'New');
   }
 
   /**
@@ -94,27 +103,37 @@ class ConfigImportTest extends WebTestBase {
    */
   function testUpdated() {
     $name = 'config_test.system';
+    $dynamic_name = 'config_test.dynamic.default';
 
     // Export.
     config_export();
 
-    // Replace the file content of the existing configuration object.
+    // Replace the file content of the existing configuration objects.
     $file_storage = new FileStorage();
     $this->assertIdentical($file_storage->exists($name), TRUE, $name . ' found.');
+    $this->assertIdentical($file_storage->exists($dynamic_name), TRUE, $dynamic_name . ' found.');
     $file_storage->write($name, array(
       'foo' => 'beer',
     ));
+    $file_storage->write($dynamic_name, array(
+      'id' => 'default',
+      'name' => 'Updated',
+    ));
 
-    // Verify the active store still returns the default value.
+    // Verify the active store still returns the default values.
     $config = config($name);
     $this->assertIdentical($config->get('foo'), 'bar');
+    $config = config($dynamic_name);
+    $this->assertIdentical($config->get('name'), 'Default');
 
     // Import.
     config_import();
 
-    // Verify the value was updated.
+    // Verify the values were updated.
     $config = config($name);
     $this->assertIdentical($config->get('foo'), 'beer');
+    $config = config($dynamic_name);
+    $this->assertIdentical($config->get('name'), 'Updated');
   }
 
   /**
@@ -122,6 +141,7 @@ class ConfigImportTest extends WebTestBase {
    */
   function testSyncHooks() {
     $name = 'config_test.system';
+    $dynamic_name = 'config_test.dynamic.default';
 
     // Export.
     config_export();
@@ -129,7 +149,9 @@ class ConfigImportTest extends WebTestBase {
     // Delete a file so that hook_config_import() hooks are run.
     $file_storage = new FileStorage();
     $this->assertIdentical($file_storage->exists($name), TRUE, $name . ' found.');
+    $this->assertIdentical($file_storage->exists($dynamic_name), TRUE, $dynamic_name . ' found.');
     $file_storage->delete($name);
+    $file_storage->delete($dynamic_name);
 
     // Import.
     config_import();
diff --git a/core/modules/image/image.module b/core/modules/image/image.module
index c726952..1be8fe6 100644
--- a/core/modules/image/image.module
+++ b/core/modules/image/image.module
@@ -519,7 +519,7 @@ function image_config_import($op, $name, $new_config, $old_config) {
     $style = $old_config->get();
     return image_style_delete($style);
   }
-  if ($op == 'new') {
+  if ($op == 'create') {
     $style = $new_config->get();
     return image_style_save($style);
   }