Use HttpFoundation

test.php

@@ -13,5 +13,15 @@ class IndexTest extends TestCase
 
         $this->assertEquals('Hello Poopiebutt', $content);
     }
+
+    public function testHelloNoParam(): void
+    {
+        unset($_GET['name']);
+        ob_start();
+        include 'index.php';
+        $content = ob_get_clean();
+
+        $this->assertEquals('Hello Dingo', $content);
+    }
 }