[25-Aug-2020 18:01:15 UTC] PHP Fatal error:  Class 'SwiftMailerTestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/MailerTest.php on line 3
[25-Aug-2020 18:01:31 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/MessageTest.php on line 3
[25-Aug-2020 18:06:45 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/DependencyContainerTest.php on line 15
