aspnetcore/test/WebSites/FormatterWebSite/project.json

{
    "dependencies": {
        "Microsoft.AspNet.Mvc": "6.0.0-*",
        "Microsoft.AspNet.Mvc.TestConfiguration": "1.0.0"
    },
    "frameworks": {
        "aspnet50": {
        },
        "aspnetcore50": {
        }
    }
}