Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/skynetus/shopwaree.skynettechnologies.us/shopwaree/vendor/ezimuel/guzzlestreams/tests/BufferStreamTest.php:8 Stack trace: #0 {main} thrown in /home/skynetus/shopwaree.skynettechnologies.us/shopwaree/vendor/ezimuel/guzzlestreams/tests/BufferStreamTest.php on line 8