Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\enercard\vendor\phpunit\phpunit-mock-objects\tests\MockObjectTest.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\enercard\vendor\phpunit\phpunit-mock-objects\tests\MockObjectTest.php on line 16