Fatal error: Uncaught Error: Class 'Illuminate\Foundation\Testing\TestCase' not found in /www/wwwroot/0.vhai.com/admin后台管理241套/178( 2.8版）/inspinia_v2.8/Laravel_5_Seed_Project/tests/TestCase.php:3 Stack trace: #0 {main} thrown in /www/wwwroot/0.vhai.com/admin后台管理241套/178( 2.8版）/inspinia_v2.8/Laravel_5_Seed_Project/tests/TestCase.php on line 3