Microsoft Universal Apps and Unit Testing, trouble with AppModel version

Question

I started a new Solution to try the Universal Apps. To test my code I want to add a unit test project (windows phone 8.1), but if I do so I get this error message when I start a

Answer 1

It seems like this is not a problem of Visual Studio, but rather Resharper or some other tools, which want to make unit testing easier.

In my example, see this context menu screenshot. I always used the "run unit tests" command in the lower part, which resulted in the error message. Using the upper ones starts the emulator fine and runs the unit tests on the platform.