Orchard/src/Orchard.Specs/Hosting/Orchard.Web/Core/Web.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <appSettings>
        <add key="webpages:Enabled" value="false" />
        <add key="aspnet:RoslynCompilerLocation" value="..\bin\roslyn" />
    </appSettings>
    <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
    <system.codedom>
        <compilers>
            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:latest" />
        </compilers>
    </system.codedom>
    <system.web>
        <compilation targetFramework="4.5.2">
            <assemblies>
                <add assembly="System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
                <add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
                <add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
                <add assembly="System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
                <add assembly="System.Web.Mvc, Version=5.2.3, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
                <add assembly="System.Web.WebPages, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
                <add assembly="Orchard.Framework" />
                <add assembly="Orchard.Core" />
            </assemblies>
        </compilation>
    </system.web>
</configuration>