injecting application component into the Application subclass

App.java

// Needed to replace the component with a test specific one
@VisibleForTesting
public void setComponent(ApplicationComponent applicationComponent) {
    this.applicationComponent = applicationComponent;
    // we need to inject again, otherwise the objects here are the originals
    // not the test ones as one would expect R.Pina 20160105
    this.applicationComponent.inject(this);
}