diff -u b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
--- b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
+++ b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
@@ -51,7 +51,7 @@
    */
   protected function getAllFolders() {
     if (!isset($this->folders)) {
-      $this->folders = array();
+      $this->folders = $this->getCoreComponents();
       $modules = $this->configStorage->read('system.module');
       if (isset($modules['enabled'])) {
         $this->folders += $this->getComponentNames('module', array_keys($modules['enabled']));
diff -u b/core/lib/Drupal/Core/Config/InstallStorage.php b/core/lib/Drupal/Core/Config/InstallStorage.php
--- b/core/lib/Drupal/Core/Config/InstallStorage.php
+++ b/core/lib/Drupal/Core/Config/InstallStorage.php
@@ -129,7 +129,8 @@
    */
   protected function getAllFolders() {
     if (!isset($this->folders)) {
-      $this->folders = $this->getComponentNames('profile', array(drupal_get_profile()));
+      $this->folders = $this->getCoreComponents();
+      $this->folders += $this->getComponentNames('profile', array(drupal_get_profile()));
       $this->folders += $this->getComponentNames('module', array_keys(drupal_system_listing('/^' . DRUPAL_PHP_FUNCTION_PATTERN . '\.module$/', 'modules', 'name', 0)));
       $this->folders += $this->getComponentNames('theme', array_keys(drupal_system_listing('/^' . DRUPAL_PHP_FUNCTION_PATTERN . '\.info.yml$/', 'themes')));
     }
@@ -137,6 +138,24 @@
   }
 
   /**
+   * Gets all configuration supplied by core.
+   *
+   * @return array
+   *   Array containing items indexed by name with a value of the core directory
+   *   that supplies it.
+   */
+  protected function getCoreComponents() {
+    $extension = '.' . $this->getFileExtension();
+    $folders = array();
+    $directory = DRUPAL_ROOT . '/core/' . $this->folderToScan;
+    $files = new \GlobIterator($directory . '/*' . $extension);
+    foreach ($files as $file) {
+      $folders[$file->getBasename($extension)] = $directory;
+    }
+    return $folders;
+  }
+
+  /**
    * Get all configuration names and folders for a list of modules or themes.
    *
    * @param string $type
diff -u b/core/lib/Drupal/Core/Config/TypedConfigManager.php b/core/lib/Drupal/Core/Config/TypedConfigManager.php
--- b/core/lib/Drupal/Core/Config/TypedConfigManager.php
+++ b/core/lib/Drupal/Core/Config/TypedConfigManager.php
@@ -12,7 +12,6 @@
 use Drupal\Component\Utility\NestedArray;
 use Drupal\Component\Utility\String;
 use Drupal\Core\Cache\CacheBackendInterface;
-use Symfony\Component\Yaml\Yaml;
 
 /**
  * Manages config type plugins.
@@ -183,10 +182,6 @@
         $this->definitions = $cache->data;
       }
       else {
-        // Load the base data types for configuration schema.
-        $yaml = new Yaml();
-        $this->definitions = $yaml->parse(DRUPAL_ROOT . '/core/lib/Drupal/Core/Config/Schema/core.data_types.schema.yml');
-        // Load configuration schema supplied by enabled extensions.
         foreach ($this->schemaStorage->readMultiple($this->schemaStorage->listAll()) as $schema) {
           foreach ($schema as $type => $definition) {
             $this->definitions[$type] = $definition;
only in patch2:
unchanged:
--- a/core/modules/locale/lib/Drupal/locale/Tests/LocaleConfigManagerTest.php
+++ b/core/modules/locale/lib/Drupal/locale/Tests/LocaleConfigManagerTest.php
@@ -22,7 +22,7 @@ class LocaleConfigManagerTest extends DrupalUnitTestBase {
    *
    * @var array
    */
-  public static $modules = array('locale', 'locale_test');
+  public static $modules = array('language', 'locale', 'locale_test');
 
   /**
    * {@inheritdoc}
@@ -39,27 +39,11 @@ public static function getInfo() {
    * Tests hasTranslation().
    */
   public function testHasTranslation() {
-    $locale_config_manager = new LocaleConfigManager(
-      // In contrast to the actual configuration we use the installer storage
-      // as the config storage. That way, we do not actually have to install
-      // the module and can extend DrupalUnitTestBase.
-      $this->container->get('config.storage.installer'),
-      $this->container->get('config.storage.schema'),
-      $this->container->get('config.storage.installer'),
-      $this->container->get('locale.storage'),
-      $this->container->get('cache.config'),
-      $this->container->get('config.factory')
-    );
-
+    $this->installConfig(array('locale_test'));
+    $locale_config_manager = \Drupal::Service('locale.config.typed');
     $language = new Language(array('id' => 'de'));
-    // The installer storage throws an expcetion when requesting a non-existing
-    // file.
-    try {
-      $locale_config_manager->hasTranslation('locale_test.no_translation', $language);
-    }
-    catch (StorageException $exception) {
-      $result = FALSE;
-    }
+
+    $result = $locale_config_manager->hasTranslation('locale_test.no_translation', $language);
     $this->assertIdentical(FALSE, $result);
 
     $result = $locale_config_manager->hasTranslation('locale_test.translation', $language);