[Bug]: Type checking doesn't work as described in docs

[bugs-wkettlitz]

Description

https://tunit.dev/docs/assertions/getting-started/#type-checking

await Assert.That(typeof(Dog)).IsAssignableTo<Animal>();

Expected Behavior

Assertion succeeds if typeof(Dog).IsAssignableTo(typeof(Animal)) is true.

Actual Behavior

Assetion fails:

[Assertion Failure] Expected to be assignable to Animal
but type RuntimeType is not assignable to Animal

Steps to Reproduce

public class Animal { }

public class Dog: Animal {}

await Assert.That(typeof(Dog)).IsAssignableTo<Animal>();

TUnit Version

1.65.68

.NET Version

.net 10

Operating System

Windows

IDE / Test Runner

JetBrains Rider

Error Output / Stack Trace

[Assertion Failure] Expected to be assignable to Animal
but type RuntimeType is not assignable to Animal

Additional Context

Workaround:

await Assert
  .That(typeof(Dog).IsAssignableTo(typeof(Animal))
  .IsTrue();

IDE-Specific Issue?

• I've confirmed this issue occurs when running via dotnet test or dotnet run, not just in my IDE