dotnet core test with NUnit

https://github.com/nunit/dotnet-test-nunit

 if you are using Visual Studio.

Your project.json in your test project should look like the following;

{
    "version": "1.0.0-*",

    "dependencies": {
        "NUnit": "3.5.0",
        "dotnet-test-nunit": "3.4.0-beta-3"
    },

    "testRunner": "nunit",

    "frameworks": {
        "netcoreapp1.0": {
            "imports": "portable-net45+win8",
            "dependencies": {
                "Microsoft.NETCore.App": {
                    "version": "1.0.0-*",
                    "type": "platform"
                }
            }
        }
    }
}

https://www.nuget.org/packages/dotnet-test-nunit/

Install-Package dotnet-test-nunit -Version 3.4.0-beta-3