Delete Redis.Close() line and comment some functions with errors (#19)

Author: shacharPash

tests/NRedisStack.Tests/RedisFixture.cs

@@ -9,7 +9,7 @@ public class RedisFixture : IDisposable
 
         public void Dispose()
         {
-            Redis.Close();
+            //Redis.Close();
         }
 
         public ConnectionMultiplexer Redis { get; private set; }