diff --git a/tests/TestCase.php b/tests/TestCase.php
index 9388afda..9035e0f3 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -5,7 +5,6 @@ declare(strict_types=1);
 namespace Stancl\Tenancy\Tests;
 
 use Illuminate\Support\Facades\Redis;
-use Illuminate\Testing\Assert as PHPUnit;
 use Stancl\Tenancy\Tests\Etc\Tenant;
 
 abstract class TestCase extends \Orchestra\Testbench\TestCase
@@ -32,9 +31,8 @@ abstract class TestCase extends \Orchestra\Testbench\TestCase
         // Laravel 6.x support
         $testResponse = class_exists('Illuminate\Testing\TestResponse') ? 'Illuminate\Testing\TestResponse' : 'Illuminate\Foundation\Testing\TestResponse';
         $testResponse::macro('assertContent', function ($content) {
-            /** @var TestResponse $this */
-
-            PHPUnit::assertSame($content, $this->baseResponse->getContent());
+            $assertClass = class_exists('Illuminate\Testing\Assert') ? 'Illuminate\Testing\Assert' : 'Illuminate\Foundation\Testing\Assert';
+            $assertClass::assertSame($content, $this->baseResponse->getContent());
 
             return $this;
         });