https://developer.android.com/reference/android/support/test/espresso/matcher/ViewMatchers?authuser=4
ViewMatchers | API reference | Android Developers
api referenceandroiddevelopers
https://developer.android.com/reference/android/support/test/espresso/matcher/ViewMatchers?authuser=0
ViewMatchers | API reference | Android Developers
api referenceandroiddevelopers