diff --git a/core/modules/simpletest/src/Tests/KernelTestBaseTest.php b/core/modules/simpletest/src/Tests/KernelTestBaseTest.php
index eb8b2debd6..bfde117b7c 100644
--- a/core/modules/simpletest/src/Tests/KernelTestBaseTest.php
+++ b/core/modules/simpletest/src/Tests/KernelTestBaseTest.php
@@ -188,6 +188,7 @@ public function testInstallSchema() {
       $this->pass('Exception for non-retrievable schema found.');
     }
     $this->assertFalse(Database::getConnection()->schema()->tableExists($table), "'$table' database table not found.");
+    $schema_installer = \Drupal::service('schema_installer');
     $schema = $schema_installer->getSchema($module, $table);
     $this->assertTrue($schema, "'$table' table schema found.");