diff --git a/tests/Person.cs b/tests/Person.cs
new file mode 100644
index 0000000..5393a4c
--- /dev/null
+++ b/tests/Person.cs
@@ -0,0 +1,6 @@
+namespace SimpleResults.Tests;
+
+public class Person
+{
+    public string Name { get; init; }
+}
diff --git a/tests/ResultExtensionsTests.cs b/tests/ResultExtensionsTests.cs
index 92e4b3b..60134e1 100644
--- a/tests/ResultExtensionsTests.cs
+++ b/tests/ResultExtensionsTests.cs
@@ -7,11 +7,6 @@ public ResultExtensionsTests()
         Thread.CurrentThread.CurrentUICulture = CultureInfo.GetCultureInfo("en-US");
     }
 
-    private class Person
-    {
-        public string Name { get; init; }
-    }
-
     [Test]
     public void ToActionResult_WhenOperationResultIsSuccess_ShouldReturnsOkObjectResult()
     {