Instrumentation Test in Mortar/Flow/Dagger 2 Project

[giolin]

Hello, I am currently using Mortar/Flow/Dagger 2 libraries to build an app. And I found it very hard (almost impossible) to mock the module when doing instrumentation test. I can inject my own test components to Application and Activity after they are created. However, for each Screen's dependencies, there is no way to inject my own components.

I would like to know if there is any possibility to mock the module for the Screen(s) and how I can actually achieve that.

Thank you!