[31-Aug-2020 22:13:42 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/acceptance/Swift/Mime/HeaderEncoder/Base64HeaderEncoderAcceptanceTest.php on line 3
[20-Dec-2020 02:39:58 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/acceptance/Swift/Mime/HeaderEncoder/Base64HeaderEncoderAcceptanceTest.php on line 3
