Function on

test/fixtures/wpt/resources/testdriver.js:2436–2439

()

                            'bidi.bluetooth.request_device_prompt_updated.subscribe is not implemented by testdriver-vendor.js');
                    },
                    on() {
                        throw new Error(
                            'bidi.bluetooth.request_device_prompt_updated.on is not implemented by testdriver-vendor.js');
                    }
                },
                gatt_connection_attempted: {
                    async subscribe() {