RecyclerViewCounterExample.kt

@Test
fun sample() {
  recyclerViewCounter(R.id.recyclerViewId) {
    val fab = withId(R.id.fab)
    
    val firstFabPosition = getFirstMatchingPosition(fab)
    onView(getView(firstFabPosition)).perform(click())
    
    val lastFabPosition = getLastMatchingPosition(fab)
    onView(getView(lastFabPosition)).perform(click())
    
    val actualFabCount = getCount(fab)
    assertEquals(3, actualFabCount)
  }
}