diff --git a/tests/TestCase.php b/tests/TestCase.php
index 606b7358..44acf046 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -12,6 +12,7 @@ use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\Http;
 use Illuminate\Testing\AssertableJsonString;
 use Illuminate\Testing\TestResponse;
+use Livewire\Features\SupportTesting\Testable;
 use Phake;
 use PHPUnit\Framework\Assert;
 use Tests\Lib\MakesHttpCalls;
@@ -172,5 +173,14 @@ class TestCase extends BaseTestCase
 
             return $this;
         });
+
+        Testable::macro('setArray', function ($attributes) {
+            $self = $this;
+            foreach ($attributes as $key => $value) {
+                $self = $this->set($key, $value);
+            }
+
+            return $self;
+        });
     }
 }