Built tests are not added to the Visual Studio Test Explorer window

Question

1. I set up the SpecFlow plug-in for the Visual Studio 2013.
2. I created new Feature Item and build it.

Result: built test is not shown in the Test Explorer. Why?

I do it according to this video

Answer 1

in order to configure it to generate MSTest tests you need to add this to your app.config:

<specFlow>    
  <unitTestProvider name="MSTest"></unitTestProvider>
</specFlow>