Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/wehostclub608/demo.wehostclub.com/bulksms/vendor/coinpaymentsnet/coinpayments-php/tests/CoinpaymentsValidatorTest.php:6 Stack trace: #0 {main} thrown in /home/wehostclub608/demo.wehostclub.com/bulksms/vendor/coinpaymentsnet/coinpayments-php/tests/CoinpaymentsValidatorTest.php on line 6