Fatal error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/dev/spa/vendor/psr/log/Psr/Log/Test/LoggerInterfaceTest.php on line 13

Call Stack:
    0.0006     261192   1. {main}() /var/www/html/dev/spa/vendor/psr/log/Psr/Log/Test/LoggerInterfaceTest.php:0