A project with an Output type of Class Library cannot be started directly error needs fixing

Question

I am getting this error when executing my code.

Starting class as UnitTest1:

using System; using Microsoft.VisualStudio.TestTools.UnitTesting; using TestFramework; namespace Tests { [TestClass] public class UnitTest1 { [TestMethod] public void Can_Go_To_Google_Page() { Pages.Homepage.Goto(); Assert.IsTrue(Pages.Homepage.IsAt()); } } }

Also I have attached my startup settings: Screenshot of startup settings

Can anyone please tell me how to fix this? I have tried pointing the startup url to the devenv.exe for Visual Studio.

You need to execute unit tests from a test runner, not as an application — vc 74
– vc 74, Commented Feb 13, 2017 at 17:16
you don't "start" class libraries and/or unit test projects, you utilize them from something else. Unit tests get executed through a runner, not by having the library as a start project — Kritner
– Kritner, Commented Feb 13, 2017 at 17:16
Thanks for replying with a clear solution...This did fix the issue.. :) Thanks a lot guys...!! — Varun Gautam
– Varun Gautam, Commented Feb 13, 2017 at 17:25

Alexei Levenkov · Accepted Answer · 2017-02-13 17:21:42Z

Looks like you are trying to run test project as executable (or web site) - instead you should be using VS test runner - Test -> Run -> All Tests. There are also options to run or debug individual tests as well as other test runners like one that is part of R# if you want to use alternative one.

Hi, Thanks for replying with a clear solution...This did fix the issue.. :-) Was treating this as a web run as you mentioned...So now I am able to run it correctly... Thanks again... :-)

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