Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\mywamp\sites\allsite\calcomposer\vendor\sebastian\exporter\tests\ExporterTest.php:16 Stack trace: #0 {main} thrown in C:\mywamp\sites\allsite\calcomposer\vendor\sebastian\exporter\tests\ExporterTest.php on line 16