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[17-Sep-2020 09:08:32 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/StreamFilters/StringReplacementFilterTest.php on line 3
[17-Sep-2020 14:58:48 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/StreamFilters/StringReplacementFilterFactoryTest.php on line 3
