fix unit test final

Author: Federico Colombo

test/CachingFramework.Redis.UnitTest/UnitTestRedis.cs

@@ -1011,7 +1011,8 @@ public void UT_CacheAddHashed_Expiration_2(RedisContext context)
 
             context.Cache.SetHashed(key, "1", users[0], TimeSpan.FromMilliseconds(1000));
             context.Cache.SetHashed(key, "2", users[1], TimeSpan.FromMilliseconds(10000));
-            Thread.Sleep(2000);
+            
+            Thread.Sleep(4000);
 
             var user1 = context.Cache.GetHashed<User>(key, "1");
             var user2 = context.Cache.GetHashed<User>(key, "2");

test/CachingFramework.Redis.UnitTest/UnitTestRedisObjects.cs

@@ -695,7 +695,7 @@ public async Task UT_CacheListObjectTTL_Async(RedisContext context)
             await rl.AddRangeAsync(users);
             rl.TimeToLive = TimeSpan.FromMilliseconds(1000);
             Assert.AreEqual(users.Count, rl.Count);
-            Thread.Sleep(4000);
+            await Task.Delay(4000);
             Assert.AreEqual(0, rl.Count);
         }
 

test/CachingFramework.Redis.UnitTest/UnitTestRedis_Async.cs

@@ -70,7 +70,7 @@ public async Task UT_KeyTaggedTTL_Async(RedisContext ctx)
             await ctx.Cache.InvalidateKeysByTagAsync(tag);
             await ctx.Cache.SetObjectAsync(key, "the value", new[] { tag }, TimeSpan.FromSeconds(1));
             await ctx.Cache.KeyTimeToLiveAsync(key, new[] { tag }, TimeSpan.FromHours(24));
-            await Task.Delay(1200);
+            await Task.Delay(4000);
             var keys = await ctx.Cache.GetKeysByTagAsync(new[] { tag }, true);
             var value = await ctx.Cache.GetObjectAsync<string>(key);
             var ttlKey = await ctx.Cache.KeyTimeToLiveAsync(key);