Running simple JUnit tests on Android Studio (IntelliJ) when using a Gradle-based configuration

Question

I am using Android Studio/IntelliJ to build on an existing Android project and would like to add some simple JUnit unit tests. What is

Answer 1

For Android Studio 1.2+ setting up a project for JUnit is pretty simple try to follow along this tutorial:

This is the simplest part setting up a project for JUnit:

https://io2015codelabs.appspot.com/codelabs/android-studio-testing#1

Follow along the past link until "Running your tests"

Now if you want to integrate with intrumentation test follow along from here:

https://io2015codelabs.appspot.com/codelabs/android-studio-testing#6