Fixed issue with buttons missing testID
Fixed issue with buttons missing testID

Added testID's to buttons in order to be able to make UITests
xinthink/react-native-material-kit,xinthink/react-native-material-kit,rtmruczek/react-native-material-kit,xinthink/react-native-material-kit,xinthink/react-native-material-kit,rtmruczek/react-native-material-kit,rtmruczek/react-native-material-kit