Method clear

src/test_helpers.rs:27–30

for testing, clear the catcher of everything

(&mut self)

    }
    // for testing, clear the catcher of everything
    pub fn clear(&mut self) {
        self.keys_registered.clear();
        self.reports.clear();
    }
}
impl USBKeyOut for KeyOutCatcher {
    fn state(&mut self) -> &mut KeyboardState {