[27-Aug-2020 17:26:17 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/KeyCache/ArrayKeyCacheTest.php on line 3
[27-Aug-2020 17:45:13 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/KeyCache/SimpleKeyCacheInputStreamTest.php on line 3
