This shows a simple project with Robolectric Tests

Project is broken into 2 modules

/app - Your Android application /robolectric-tests - tests for the /app module

Tests can be ran using one of the following:

./gradlew test
./gradlew check
./gradlew build

There is an explanatory blog post here: http://blog.blundell-apps.com/android-gradle-app-with-robolectric-junit-tests/