Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\gen\ms_core\DiscordApi\vendor\trafficcophp\bytebuffer\tests\TrafficCophp\ByteBuffer\BufferTest.php:8 Stack trace: #0 {main} thrown in C:\gen\ms_core\DiscordApi\vendor\trafficcophp\bytebuffer\tests\TrafficCophp\ByteBuffer\BufferTest.php on line 8