mBtReset.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        context.unregisterReceiver(mBatteryChargingReceiver);
        FragmentTransaction ft = fragmentManager.beginTransaction();
        if (testsFragment != null) {
            ft.detach(testsFragment).attach(testsFragment).commit();
        } else {
            ft.detach(testsNotChargingFragment).attach(testsNotChargingFragment).commit();
        }
        dismiss();
    }
});