Change testdroid_android.py to use unittest format
Change testdroid_android.py to use unittest format

hide_keyboard() added inside its own try / except block, since Appium
throws an exception, if the keyboard isn't visible already

LasseHall/testdroid-samples,aknackiron/testdroid-samples,teppomalinen/testdroid-samples,aknackiron/testdroid-samples,teppomalinen/testdroid-samples,piotr-kostecki-bitbar/testdroid-samples,piotr-kostecki-bitbar/testdroid-samples,spedepekka/testdroid-samples,sagge/testdroid-samples,sagge/testdroid-samples,sagge/testdroid-samples,srautiai/testdroid-samples,teppomalinen/testdroid-samples,aknackiron/testdroid-samples,srautiai/testdroid-samples,piotr-kostecki-bitbar/testdroid-samples,piotr-kostecki-bitbar/testdroid-samples,aknackiron/testdroid-samples,sagge/testdroid-samples,srautiai/testdroid-samples,teppomalinen/testdroid-samples,LasseHall/testdroid-samples,aknackiron/testdroid-samples,sagge/testdroid-samples,aknackiron/testdroid-samples,srautiai/testdroid-samples,teppomalinen/testdroid-samples,aknackiron/testdroid-samples,teppomalinen/testdroid-samples,teppomalinen/testdroid-samples,sagge/testdroid-samples,sagge/testdroid-samples,spedepekka/testdroid-samples,sagge/testdroid-samples,spedepekka/testdroid-samples,LasseHall/testdroid-samples,LasseHall/testdroid-samples,srautiai/testdroid-samples,spedepekka/testdroid-samples,srautiai/testdroid-samples,spedepekka/testdroid-samples,piotr-kostecki-bitbar/testdroid-samples,LasseHall/testdroid-samples,spedepekka/testdroid-samples,LasseHall/testdroid-samples,piotr-kostecki-bitbar/testdroid-samples,piotr-kostecki-bitbar/testdroid-samples,LasseHall/testdroid-samples,LasseHall/testdroid-samples,spedepekka/testdroid-samples,aknackiron/testdroid-samples,srautiai/testdroid-samples,piotr-kostecki-bitbar/testdroid-samples