Added Microsoft.AspNet.Testing.Logging to test project.

- Reacting to Logging changes and corresponding Testing changes.

test/Microsoft.AspNet.Session.Tests/SessionTests.cs

@@ -9,6 +9,7 @@ using System.Threading.Tasks;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Http;
 using Microsoft.AspNet.TestHost;
+using Microsoft.AspNet.Testing.Logging;
 using Microsoft.Framework.DependencyInjection;
 using Microsoft.Framework.Logging;
 using Xunit;

test/Microsoft.AspNet.Session.Tests/project.json

@@ -3,6 +3,7 @@
     "Microsoft.AspNet.Session": "1.0.0-*",
     "Microsoft.AspNet.RequestContainer": "1.0.0-*",
     "Microsoft.AspNet.TestHost": "1.0.0-*",
+    "Microsoft.AspNet.Testing.Logging": "1.0.0-*",
     "xunit.runner.kre": "1.0.0-*"
   },
   "commands": {