Arcane Android: Using espresso contrib 2.2.
If you encounter this error
This is an indication that the espresso-contrib library has different dependencies to something already in your project. Espresso contrib 2.2.1 has a dependency on com.android.support:support-v4:23.0.1. If you are using a newer version of the support-v4, or one of your dependancies has a newer version (appcompat-v7:23.1.1 for example) then this mysterious IncompatibleClassChangeError stacktrace will materialize.
The solution is to exclude the offending items from the test class path by extending the dependency: