diff --git a/tests/unit/Utopia/RequestTest.php b/tests/unit/Utopia/RequestTest.php
index 81e0ead4b3..57ebae6d1e 100644
--- a/tests/unit/Utopia/RequestTest.php
+++ b/tests/unit/Utopia/RequestTest.php
@@ -161,6 +161,37 @@ class RequestTest extends TestCase
         $this->assertSame($secondRoute, $secondRequest->getRoute());
     }
 
+    public function testGetHeaderReturnsStringValue(): void
+    {
+        $this->request->addHeader('referer', 'https://example.com');
+
+        $this->assertSame('https://example.com', $this->request->getHeader('referer'));
+    }
+
+    public function testGetHeaderReturnsDefaultWhenMissing(): void
+    {
+        $this->assertSame('', $this->request->getHeader('referer'));
+        $this->assertSame('fallback', $this->request->getHeader('referer', 'fallback'));
+    }
+
+    public function testGetHeaderCoercesArrayToFirstElement(): void
+    {
+        $swoole = new SwooleRequest();
+        $swoole->header = ['referer' => ['https://a.example', 'https://b.example']];
+        $request = new Request($swoole);
+
+        $this->assertSame('https://a.example', $request->getHeader('referer'));
+    }
+
+    public function testGetHeaderReturnsDefaultWhenValueNotString(): void
+    {
+        $swoole = new SwooleRequest();
+        $swoole->header = ['referer' => 123];
+        $request = new Request($swoole);
+
+        $this->assertSame('fallback', $request->getHeader('referer', 'fallback'));
+    }
+
     /**
      * Helper to attach a route with multiple SDK methods to the request.
      */