Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in D:\Application\www\E-Tracking\vendor\ralouphie\getallheaders\tests\GetAllHeadersTest.php:3 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\ralouphie\getallheaders\tests\GetAllHeadersTest.php on line 3