feat: extend Pest test case for core feature tests

Author: aspirantzhang

tests/Pest.php

@@ -17,6 +17,10 @@
     ->use(Illuminate\Foundation\Testing\RefreshDatabase::class)
     ->in('Feature');
 
+pest()->extend(Tests\TestCase::class)
+    ->use(Illuminate\Foundation\Testing\RefreshDatabase::class)
+    ->in('../filapress-core/tests/Feature');
+
 /*
 |--------------------------------------------------------------------------
 | Expectations