Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\AppServ\www\greenhess-storage\vendor\guzzlehttp\streams\tests\NullStreamTest.php:6
Stack trace:
#0 {main}
thrown in C:\AppServ\www\greenhess-storage\vendor\guzzlehttp\streams\tests\NullStreamTest.php on line 6