Just some notes on Unit Testing MvvmCross.
#Setup Test Project
- Create an empty project
 - NOTE: depending on how you setup your Xamarin project you might need multiple projects for iOS, Android and PCL
 - Add the follow dependencies
 - AutoFixture - Test Data Genertator
 - Moq - Object Mocking framework
 - MvvmCross
 - NUnit
 

