Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\Web\Apache24\htdocs\api\vendor\sebastian\comparator\tests\DateTimeComparatorTest.php:21 Stack trace: #0 {main} thrown in C:\Web\Apache24\htdocs\api\vendor\sebastian\comparator\tests\DateTimeComparatorTest.php on line 21