change the test case to adopt two path of migrations

tests/TestCase.php

@@ -8,4 +8,16 @@ use Illuminate\Foundation\Testing\WithFaker;
 abstract class TestCase extends BaseTestCase
 {
     use CreatesApplication, WithFaker;
+
+    public function artisan($command, $parameters = [])
+    {
+        $migrate = explode(':', $command);
+
+
+        if ($migrate[0] == "migrate" && !isset($parameters['--path'])) {
+            $parameters['--path'] = ['/database/old_migrations/', 'database/migrations'];
+        }
+
+        return parent::artisan($command, $parameters);
+    }
 }