Instrumentation error running Roboelectric 2.0 in IntelliJ 12

I try to run robolectric test in my Intellij12 but always get the following error:

Running tests
Test running startedTest running failed: Unable to find instrumentation info for: ComponentInfo{de.torsten/org.robolectric.RoboInstrumentation}
Empty test suite.

When running my tests with maven they run fine.


Thanks for help.