NET45-ify our Autofac functional test

- see loads of load failures after `kvm.ps1 upgrade -svrc50` otherwise

test/Microsoft.AspNet.Mvc.FunctionalTests/DependencyResolverTests.cs

@@ -1,4 +1,5 @@
-using System;
+#if NET45
+using System;
 using System.IO;
 using System.Threading.Tasks;
 using AutofacWebSite;
@@ -36,4 +37,5 @@ namespace Microsoft.AspNet.Mvc.FunctionalTests
             Assert.Equal(expectedResponseBody, actualResponseBody);
         }
     }
-}
+}
+#endif

test/Microsoft.AspNet.Mvc.FunctionalTests/project.json

@@ -6,7 +6,6 @@
         "BasicWebSite": "",
         "ActivatorWebSite": "",
         "InlineConstraintsWebSite": "",
-        "AutofacWebSite": "",
         "Microsoft.AspNet.TestHost": "1.0.0-*",
         "Microsoft.Framework.Runtime.Interfaces": "1.0.0-*",
         "Xunit.KRunner": "1.0.0-*",
@@ -17,7 +16,11 @@
         "test": "Xunit.KRunner"
     },
     "configurations": {
-        "net45": { },
+        "net45": {
+            "dependencies": {
+                "AutofacWebSite": ""
+            }
+        },
         "k10": { }
     }
 }