Warning: Unsupported declare 'strict_types' in C:\xampp\htdocs\esales2\vendor\phar-io\manifest\tests\values\ApplicationNameTest.php on line 1

Fatal error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\esales2\vendor\phar-io\manifest\tests\values\ApplicationNameTest.php on line 6