Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/invfsanzgeohti/public_html/vendor/sebastian/comparator/tests/DateTimeComparatorTest.php:21 Stack trace: #0 {main} thrown in /home/invfsanzgeohti/public_html/vendor/sebastian/comparator/tests/DateTimeComparatorTest.php on line 21