aspnetcore/test/TestClient/project.json

{
    "commands": {
        "TestClient": "TestClient"
    },
    "dependencies": {
        "Microsoft.AspNet.WebSockets.Protocol": "1.0.0-*",
        "Microsoft.AspNet.WebSockets.Client": "1.0.0-*"
    },
    "frameworks": {
        "dnx451": { }
    }
}