Method on_deactivate

src/test_helpers.rs:131–134

(&mut self, output: &mut dyn USBKeyOut)

        output.send_keys(&[KeyCode::H]);
    }
    fn on_deactivate(&mut self, output: &mut dyn USBKeyOut) {
        self.write().up_counter += 1;
        output.send_keys(&[KeyCode::I]);
    }
}
impl OnOff for PressCounter {
    fn on_activate(&mut self, output: &mut dyn USBKeyOut) {