diff --git a/Src/Newtonsoft.Json.Tests/Converters/JavaScriptDateTimeConverterTests.cs b/Src/Newtonsoft.Json.Tests/Converters/JavaScriptDateTimeConverterTests.cs
index 993b7546..86013d3c 100644
--- a/Src/Newtonsoft.Json.Tests/Converters/JavaScriptDateTimeConverterTests.cs
+++ b/Src/Newtonsoft.Json.Tests/Converters/JavaScriptDateTimeConverterTests.cs
@@ -24,8 +24,8 @@
 #endregion
 
 using System;
-#if !NETFX_CORE
 using System.Collections.Generic;
+#if !NETFX_CORE
 using NUnit.Framework;
 #else
 using Microsoft.VisualStudio.TestTools.UnitTesting;
diff --git a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Metro.csproj b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Metro.csproj
index c133e8e8..d55e5203 100644
--- a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Metro.csproj
+++ b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Metro.csproj
@@ -169,6 +169,7 @@
     <Compile Include="Serialization\NullValueHandlingTests.cs" />
     <Compile Include="Serialization\PopulateTests.cs" />
     <Compile Include="Serialization\PreserveReferencesHandlingTests.cs" />
+    <Compile Include="Serialization\ReferenceLoopHandlingTests.cs" />
     <Compile Include="Serialization\SerializationErrorHandlingTests.cs" />
     <Compile Include="Serialization\SerializationEventAttributeTests.cs" />
     <Compile Include="Serialization\TypeNameHandlingTests.cs" />
diff --git a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Portable.csproj b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Portable.csproj
index f1e9a73b..b90bacd3 100644
--- a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Portable.csproj
+++ b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.Portable.csproj
@@ -133,6 +133,7 @@
     <Compile Include="Serialization\ContractResolverTests.cs" />
     <Compile Include="Serialization\DefaultValueHandlingTests.cs" />
     <Compile Include="Serialization\DynamicTests.cs" />
+    <Compile Include="Serialization\ReferenceLoopHandlingTests.cs" />
     <Compile Include="Serialization\WebApiIntegrationTests.cs" />
     <Compile Include="Serialization\JsonPropertyCollectionTests.cs" />
     <Compile Include="Serialization\NullValueHandlingTests.cs" />
diff --git a/Src/Newtonsoft.Json.Tests/Serialization/ContractResolverTests.cs b/Src/Newtonsoft.Json.Tests/Serialization/ContractResolverTests.cs
index 70c580ee..08668b57 100644
--- a/Src/Newtonsoft.Json.Tests/Serialization/ContractResolverTests.cs
+++ b/Src/Newtonsoft.Json.Tests/Serialization/ContractResolverTests.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
-#if !NETFX_CORE
 using System.Runtime.Serialization;
+#if !NETFX_CORE
 using NUnit.Framework;
 #else
 using Microsoft.VisualStudio.TestTools.UnitTesting;
diff --git a/Src/Newtonsoft.Json.Tests/Serialization/ReferenceLoopHandlingTests.cs b/Src/Newtonsoft.Json.Tests/Serialization/ReferenceLoopHandlingTests.cs
index 1adf1cdd..045f16e0 100644
--- a/Src/Newtonsoft.Json.Tests/Serialization/ReferenceLoopHandlingTests.cs
+++ b/Src/Newtonsoft.Json.Tests/Serialization/ReferenceLoopHandlingTests.cs
@@ -1,5 +1,11 @@
 using System.Collections.Generic;
+#if !NETFX_CORE
 using NUnit.Framework;
+#else
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using TestFixture = Microsoft.VisualStudio.TestTools.UnitTesting.TestClassAttribute;
+using Test = Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute;
+#endif
 
 namespace Newtonsoft.Json.Tests.Serialization
 {
diff --git a/Src/Newtonsoft.Json/Newtonsoft.Json.Metro.csproj b/Src/Newtonsoft.Json/Newtonsoft.Json.Metro.csproj
index 56804dd4..1ae48215 100644
--- a/Src/Newtonsoft.Json/Newtonsoft.Json.Metro.csproj
+++ b/Src/Newtonsoft.Json/Newtonsoft.Json.Metro.csproj
@@ -146,6 +146,7 @@
     <Compile Include="JsonConverter.cs" />
     <Compile Include="JsonConverterAttribute.cs" />
     <Compile Include="JsonConverterCollection.cs" />
+    <Compile Include="JsonDictionaryAttribute.cs" />
     <Compile Include="JsonException.cs" />
     <Compile Include="JsonIgnoreAttribute.cs" />
     <Compile Include="JsonObjectAttribute.cs" />
@@ -217,6 +218,7 @@
     <Compile Include="Serialization\IReferenceResolver.cs" />
     <Compile Include="Serialization\IValueProvider.cs" />
     <Compile Include="Serialization\JsonArrayContract.cs" />
+    <Compile Include="Serialization\JsonContainerContract.cs" />
     <Compile Include="Serialization\JsonContract.cs" />
     <Compile Include="Serialization\JsonDictionaryContract.cs" />
     <Compile Include="Serialization\JsonDynamicContract.cs" />
diff --git a/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj b/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
index 89a33cc9..1090c467 100644
--- a/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
+++ b/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
@@ -77,6 +77,7 @@
     <Compile Include="JsonConverter.cs" />
     <Compile Include="JsonConverterAttribute.cs" />
     <Compile Include="JsonConverterCollection.cs" />
+    <Compile Include="JsonDictionaryAttribute.cs" />
     <Compile Include="JsonException.cs" />
     <Compile Include="JsonIgnoreAttribute.cs" />
     <Compile Include="JsonObjectAttribute.cs" />
@@ -148,6 +149,7 @@
     <Compile Include="Serialization\IReferenceResolver.cs" />
     <Compile Include="Serialization\IValueProvider.cs" />
     <Compile Include="Serialization\JsonArrayContract.cs" />
+    <Compile Include="Serialization\JsonContainerContract.cs" />
     <Compile Include="Serialization\JsonContract.cs" />
     <Compile Include="Serialization\JsonDictionaryContract.cs" />
     <Compile Include="Serialization\JsonDynamicContract.cs" />