“The library 'hostpolicy.dll' required” if run from deploy folder, but emitEntryPoint is true

Question

I created a Web API project using the default ASP.NET Core Web Application (.NET Framework) template and then published to local folder using VS.

Now if I call

Answer 1

We ran in the same problem building our app in CI. Apparantly a reference towards another unittest project slipped in. This Created the error at hand.