From 28247b20521440da6f1fc44e4dc1440ea4d28bf5 Mon Sep 17 00:00:00 2001
From: Andrzej Ochodek <milten89@gmail.com>
Date: Fri, 30 Oct 2026 18:54:46 +0100
Subject: [PATCH] Drop the useless null cast in
 OpenUrzednikValidationExceptionTest

The exception has one single-argument constructor, so null! needs no
cast (the CodeQL cs/useless-upcast pattern fixed in #181).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 .../Exceptions/OpenUrzednikValidationExceptionTest.cs           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/OpenUrzednik.Core.Tests/Exceptions/OpenUrzednikValidationExceptionTest.cs b/tests/OpenUrzednik.Core.Tests/Exceptions/OpenUrzednikValidationExceptionTest.cs
index b4a4231..393bc14 100644
--- a/tests/OpenUrzednik.Core.Tests/Exceptions/OpenUrzednikValidationExceptionTest.cs
+++ b/tests/OpenUrzednik.Core.Tests/Exceptions/OpenUrzednikValidationExceptionTest.cs
@@ -52,7 +52,7 @@ public void Ctor_NoErrors_ThrowsArgumentException()
     public void Ctor_NullErrors_ThrowsArgumentNullException()
     {
         // Act && Assert
-        Should.Throw<ArgumentNullException>(() => new OpenUrzednikValidationException((IReadOnlyList<ValidationError>)null!));
+        Should.Throw<ArgumentNullException>(() => new OpenUrzednikValidationException(null!));
     }
 
     [Fact]