Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/ecoachso/public_html/api/common/vendor/twilio/sdk/Twilio/Tests/Unit/UnitTest.php:8 Stack trace: #0 {main} thrown in /home/ecoachso/public_html/api/common/vendor/twilio/sdk/Twilio/Tests/Unit/UnitTest.php on line 8