Print environment info on tests start

tests/ImageSharp.Tests/ImageSharp.Tests.csproj

@@ -35,6 +35,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" />
     <PackageReference Include="Magick.NET-Q16-AnyCPU" />
     <PackageReference Include="Microsoft.DotNet.RemoteExecutor" />
     <PackageReference Include="Microsoft.DotNet.XUnitExtensions" />

tests/ImageSharp.Tests/TestUtilities/SixLaborsXunitTestFramework.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Six Labors.
+// Licensed under the Apache License, Version 2.0.
+
+using BenchmarkDotNet.Environments;
+using SixLabors.ImageSharp.Tests.TestUtilities;
+using Xunit.Abstractions;
+using Xunit.Sdk;
+
+[assembly: Xunit.TestFramework(SixLaborsXunitTestFramework.Type, SixLaborsXunitTestFramework.Assembly)]
+
+namespace SixLabors.ImageSharp.Tests.TestUtilities
+{
+    public class SixLaborsXunitTestFramework : XunitTestFramework
+    {
+        public const string Type = "SixLabors.ImageSharp.Tests.TestUtilities.SixLaborsXunitTestFramework";
+        public const string Assembly = "SixLabors.ImageSharp.Tests";
+
+        public SixLaborsXunitTestFramework(IMessageSink messageSink)
+            : base(messageSink)
+        {
+            var message = new DiagnosticMessage(HostEnvironmentInfo.GetInformation());
+            messageSink.OnMessage(message);
+        }
+    }
+}