Fix for build break. Removing reference to official xunit package

Author: kichalla

NuGet.config

@@ -2,7 +2,6 @@
 <configuration>
   <packageSources>
     <add key="AspNetVNext" value="https://www.myget.org/F/aspnetcidev/api/v3/index.json" />
-    <add key="xUnit.net" value="https://www.myget.org/F/xunit/api/v2/" />
     <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
   </packageSources>
 </configuration>

test/Microsoft.Framework.Caching.Memory.Tests/project.json

@@ -4,10 +4,10 @@
         "Microsoft.Framework.Caching.Memory": "1.0.0-*",
         "Microsoft.Framework.DependencyInjection": "1.0.0-*",
         "xunit": "2.1.0-*",
-        "xunit.runner.dnx": "2.1.0-*"
+        "xunit.runner.aspnet": "2.0.0-aspnet-*"
     },
     "commands": {
-        "test": "xunit.runner.dnx"
+        "test": "xunit.runner.aspnet"
     },
     "frameworks": {
         "dnx451": { }

test/Microsoft.Framework.Caching.Redis.Tests/project.json

@@ -4,10 +4,10 @@
         "Microsoft.Framework.Caching.Redis": "1.0.0-*",
         "Microsoft.Framework.DependencyInjection": "1.0.0-*",
         "xunit": "2.1.0-*",
-        "xunit.runner.dnx": "2.1.0-*"
+        "xunit.runner.aspnet": "2.0.0-aspnet-*"
     },
     "commands": {
-        "test": "xunit.runner.dnx"
+        "test": "xunit.runner.aspnet"
     },
     "frameworks": {
         "dnx451": { }

test/Microsoft.Framework.Caching.SqlServer.Tests/project.json

@@ -1,6 +1,6 @@
 {
     "commands": {
-        "test": "xunit.runner.dnx"
+        "test": "xunit.runner.aspnet"
     },
     "dependencies": {
         "Microsoft.AspNet.Testing": "1.0.0-*",
@@ -9,7 +9,7 @@
         "Microsoft.Framework.Configuration.Json": "1.0.0-*",
         "Microsoft.Framework.DependencyInjection": "1.0.0-*",
         "xunit": "2.1.0-*",
-        "xunit.runner.dnx": "2.1.0-*"
+        "xunit.runner.aspnet": "2.0.0-aspnet-*"
     },
     "frameworks": {
         "dnx451": { },