diff --git a/core/modules/config_translation/tests/src/ConfigMapperManagerTest.php b/core/modules/config_translation/tests/src/ConfigMapperManagerTest.php
index 4fb7fc8..648163e 100644
--- a/core/modules/config_translation/tests/src/ConfigMapperManagerTest.php
+++ b/core/modules/config_translation/tests/src/ConfigMapperManagerTest.php
@@ -11,6 +11,7 @@
 use Drupal\Core\Language\Language;
 use Drupal\Core\TypedData\TypedDataInterface;
 use Drupal\Tests\UnitTestCase;
+use Drupal\Core\TypedData\DataDefinition;
 use Drupal\Core\TypedData\DataDefinitionInterface;
 
 /**
@@ -162,7 +163,7 @@ public function providerTestHasTranslatable() {
    *   The mocked schema element.
    */
   protected function getElement(array $definition) {
-    $data_definition = $this->typedConfigManager->buildDataDefinition($definition, NULL);
+    $data_definition = new DataDefinition($definition);
     $element = $this->getMock('Drupal\Core\TypedData\TypedDataInterface');
     $element->expects($this->any())
       ->method('getDataDefinition')