[Test file for the selected source file was not found.]

any can help

[Test file for the selected source file was not found.]

// Are we live?
if (!defined('LIVE')) DEFINE('LIVE', false);

// Errors are emailed here:
DEFINE('CONTACT_EMAIL', 'you@example.com');

// ************ SETTINGS ************ //
// ********************************** //

// ********************************** //
// ************ CONSTANTS *********** //

// Determine location of files and the URL of the site:
define ('BASE_URI', 'C:\xampp\htdocs\ecommerce1\ex1\.');
define ('BASE_URL', 'http://localhost/ecommerce1/ex1/');
define ('PDFS_DIR', BASE_URI . 'pdfs/'); // Added in Chapter 5.
define ('MYSQL', BASE_URI . 'mysql.inc.php');
 

my file location C:\xampp\htdocs\ecommerce1\ex1

when run test file nothing show , error msg :Test file for the selected source file was not found.

config.inc.php