Fatal error: Uncaught Error: Class 'SebastianBergmann\Diff\LongestCommonSubsequenceTest' not found in /home/noct-c/www/tanakahashi/vendor/sebastian/diff/tests/TimeEfficientImplementationTest.php:16 Stack trace: #0 {main} thrown in /home/noct-c/www/tanakahashi/vendor/sebastian/diff/tests/TimeEfficientImplementationTest.php on line 16