diff --git a/core/tests/Drupal/Tests/Core/Entity/Sql/DefaultTableMappingTest.php b/core/tests/Drupal/Tests/Core/Entity/Sql/DefaultTableMappingTest.php
index 113543d702c25da7bec4514724fa6db49f275147..5753f1a7d7021fe1c2e0765db10b1bb724f972af 100644
--- a/core/tests/Drupal/Tests/Core/Entity/Sql/DefaultTableMappingTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/Sql/DefaultTableMappingTest.php
@@ -362,6 +362,9 @@ public function testGetFieldTableName($table_names, $expected) {
       ->expects($this->any())
       ->method('getColumns')
       ->willReturn($columns);
+    $definition->expects($this->any())
+      ->method('getTargetEntityTypeId')
+      ->willReturn('entity_test');
 
     $this->entityType
       ->expects($this->any())