Code cleanup

Author: sakno

src/DotNext.Tests/Reflection/TypeExtensionsTests.cs

@@ -1,13 +1,8 @@
-using System.Reflection;
-
 namespace DotNext.Reflection;
 
 public sealed class TypeExtensionsTests : Test
 {
-    public sealed class MyList : List<string>
-    {
-
-    }
+    public sealed class MyList : List<string>;
 
     [Fact]
     public static void DelegateSignature()
@@ -79,7 +74,7 @@ public static void IsUnmanaged()
     }
 
     [Fact]
-    public static unsafe void IsImmutable()
+    public static void IsImmutable()
     {
         True(typeof(ReadOnlySpan<int>).IsImmutable());
         True(typeof(Guid).IsImmutable());
@@ -126,7 +121,7 @@ public static void EqualsMethodResolution()
     }
 
     [Fact]
-    public static unsafe void DefaultValues()
+    public static void DefaultValues()
     {
         Null(typeof(string).GetDefaultValue());
         Null(typeof(void*).GetDefaultValue());