Add GC info to test output

StackExchange.Redis.Tests/TestBase.cs

@@ -5,6 +5,7 @@
 using System.IO;
 using System.Linq;
 using System.Net;
+using System.Runtime;
 using System.Runtime.CompilerServices;
 using System.Threading;
 using System.Threading.Tasks;
@@ -90,6 +91,10 @@ static TestBase()
                     backgroundExceptions.Add(args.Exception.ToString());
                 }
             };
+            Console.WriteLine("Setup information:");
+            Console.WriteLine("  GC IsServer: " + GCSettings.IsServerGC);
+            Console.WriteLine("  GC LOH Mode: " + GCSettings.LargeObjectHeapCompactionMode);
+            Console.WriteLine("  GC Latency Mode: " + GCSettings.LatencyMode);
         }
         internal static string Time() => DateTime.UtcNow.ToString("HH:mm:ss.fff");
         protected void OnConnectionFailed(object sender, ConnectionFailedEventArgs e)