Autocomplete Test API 29

[Vacxe]

Master:

io.github.kakaocup.sample.AutoCompleteTest > testContentItemsListView[emulator(AVD) - 10] FAILED 
	androidx.test.espresso.NoMatchingRootException: Matcher '(with decor view of type PopupWindow$PopupViewContainer)' did not match any of the following roots: [Root{application-window-token=android.view.ViewRootImpl$W@df914cb, window-token=android.view.ViewRootImpl$W@df914cb, has-window-focus=true, layout-params-type=1, layout-params-string={(0,0)(fillxfill) ty=BASE_APPLICATION wanim=0x10302fe
	fl=LAYOUT_IN_SCREEN LAYOUT_INSET_DECOR SPLIT_TOUCH HARDWARE_ACCELERATED DRAWS_SYSTEM_BAR_BACKGROUNDS

Reproduced only on 29 API