Add TestEnv for environment path diagnostics

Added TestEnv test class with DumpPaths method to log key runtime and environment paths for diagnostics. Also fixed namespace closure formatting in ConcurrentBumpAllocatorTests.cs.

Author: JunaMeinhold

Hexa.NET.Utilities.Tests/ConcurrentBumpAllocatorTests.cs

@@ -509,4 +509,4 @@ public void Alloc_MaxAlignment_ReturnsAlignedPointer()
             allocator.Dispose();
         }
     }
-}
+}

Hexa.NET.Utilities.Tests/TestEnv.cs

@@ -0,0 +1,17 @@
+using System.Reflection;
+
+namespace Hexa.NET.Utilities.Tests
+{
+    [TestFixture]
+    public class TestEnv
+    {
+        [Test]
+        public void DumpPaths()
+        {
+            Console.WriteLine($"CurrentDirectory: {Environment.CurrentDirectory}");
+            Console.WriteLine($"BaseDirectory:    {AppContext.BaseDirectory}");
+            Console.WriteLine($"Test Assembly:    {Assembly.GetExecutingAssembly().Location}");
+            Console.WriteLine($"Process Path:     {Environment.ProcessPath}");
+        }
+    }
+}