diff -u b/core/tests/Drupal/FunctionalTests/Installer/InstallerNonDefaultDatabaseDriverTest.php b/core/tests/Drupal/FunctionalTests/Installer/InstallerNonDefaultDatabaseDriverTest.php
--- b/core/tests/Drupal/FunctionalTests/Installer/InstallerNonDefaultDatabaseDriverTest.php
+++ b/core/tests/Drupal/FunctionalTests/Installer/InstallerNonDefaultDatabaseDriverTest.php
@@ -73,7 +73,7 @@
     $driver_test_connection['driver'] = $this->testDriverName;
     $driver_test_connection['namespace'] = 'Drupal\\driver_test\\Driver\\Database\\' . $this->testDriverName;
     $driver_test_connection['autoload'] = "core/modules/system/tests/modules/driver_test/src/Driver/Database/{$this->testDriverName}/";
-    Database::renameConnection('default', 'original_database_connction');
+    Database::renameConnection('default', 'original_database_connection');
     Database::addConnectionInfo('default', 'default', $driver_test_connection);
 
     // The module "driver_test" should not be uninstallable, because it is