Socket test for exhaustion

StackExchange.Redis.Tests/Sockets.cs

+using System.Diagnostics;
+using Xunit.Abstractions;
+
+namespace StackExchange.Redis.Tests
+{
+    public class Sockets : TestBase
+    {
+        protected override string GetConfiguration() => TestConfig.Current.MasterServerAndPort;
+        public Sockets(ITestOutputHelper output) : base (output) { }
+
+        [FactLongRunning]
+        public void CheckForSocketLeaks()
+        {
+            const int count = 2000;
+            for (var i = 0; i < count; i++)
+            {
+                using (var conn = Create(clientName: "Test: " + i))
+                {
+                    // Intentionally just creating and disposing to leak sockets here
+                    // ...so we can figure out what's happening.
+                }
+            }
+            // Force GC before memory dump in debug below...
+            CollectGarbage();
+
+            Debugger.Break();
+        }
+    }
+}