禅道二次开发环境搭建完成后，启动报错

Testing started at 下午5:44 ... /opt/lampp/bin/php /opt/lampp/phpunit-8.0.0.phar --no-configuration /workspace/zentaopms --teamcity --cache-result-file=/workspace/zentaopms/.phpunit.result.cache Warning: Creating default object from empty value in /workspace/zentaopms/lib/scm/scmTest.php on line 6 Fatal error: Uncaught Error: Call to a member function cat() on null in /workspace/zentaopms/lib/scm/scm.class.php:48 Stack trace: #0 /workspace/zentaopms/lib/scm/scmTest.php(12): scm->addTestFiles(Array) #7 phar:///opt/lampp/phpunit-8.0.0.phar in /workspace/zentaopms/lib/scm/scm.class.php on line 48 Process finished with exit code 255