porting 7.6-rc1 into 8

src/Umbraco.Tests/Cache/RuntimeCacheProviderTests.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Threading;
-using System.Web.Caching;
 using NUnit.Framework;
 using Umbraco.Core.Cache;
 
@@ -10,7 +9,7 @@ namespace Umbraco.Tests.Cache
     {
 
         internal abstract IRuntimeCacheProvider RuntimeProvider { get; }
-        
+
 
         [Test]
         public void Can_Add_And_Expire_Struct_Strongly_Typed_With_Null()
@@ -19,12 +18,11 @@ namespace Umbraco.Tests.Cache
             RuntimeProvider.InsertCacheItem("DateTimeTest", () => now, new TimeSpan(0, 0, 0, 0, 200));
             Assert.AreEqual(now, Provider.GetCacheItem<DateTime>("DateTimeTest"));
             Assert.AreEqual(now, Provider.GetCacheItem<DateTime?>("DateTimeTest"));
-            
+
             Thread.Sleep(300); //sleep longer than the cache expiration
 
             Assert.AreEqual(default(DateTime), Provider.GetCacheItem<DateTime>("DateTimeTest"));
             Assert.AreEqual(null, Provider.GetCacheItem<DateTime?>("DateTimeTest"));
         }
-
     }
 }