diff --git a/core/modules/locale/src/Tests/LocaleConfigManagerTest.php b/core/modules/locale/src/Tests/LocaleConfigManagerTest.php
index 58d63cc..4e28fb3 100644
--- a/core/modules/locale/src/Tests/LocaleConfigManagerTest.php
+++ b/core/modules/locale/src/Tests/LocaleConfigManagerTest.php
@@ -40,4 +40,26 @@ public function testHasTranslation() {
     $result = $locale_config_manager->hasTranslation('locale_test.translation', $language->getId());
     $this->assertTrue($result, 'There is a translation for locale_test.translation configuration.');
   }
+
+  public function testGetStringTranslation(){
+    $this->installSchema('locale', array('locales_location', 'locales_source', 'locales_target'));
+    $this->installConfig(array('locale_test'));
+
+    $locale_config_manager = \Drupal::service('locale.config_manager');
+
+    $language = ConfigurableLanguage::createFromLangcode('de');
+    $language->save();
+
+    $translation_before = $locale_config_manager->getStringTranslation('locale_test.no_translation', $language->getId(), 'Test', '');
+    $this->assertTrue($translation_before->isNew());
+    $translation_before->setString('translation')->save();
+
+    $translation_after = $locale_config_manager->getStringTranslation('locale_test.no_translation', $language->getId(), 'Test', '');
+    $this->assertFalse($translation_after->isNew());
+    $translation_after->setString('updated_translation')->save();
+
+    $translation_after2 = $locale_config_manager->getStringTranslation('locale_test.no_translation', $language->getId(), 'Test', '');
+    $this->assertFalse($translation_after2->isNew());
+    $translation_after2->setString('updated_translation')->save();
+  }
 }