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Test Info:

// META: script=/resources/testdriver.js
// META: script=/resources/testdriver-vendor.js
// META: script=/bluetooth/resources/bluetooth-test.js
// META: script=/bluetooth/resources/bluetooth-fake-devices.js
'use strict';
const test_desc = 'subsequent watchAdvertisements() calls result in the ' +
'second call resolving successfully.';
bluetooth_test(async (t) => {
let {device} = await getDiscoveredHealthThermometerDevice();
const watcher = new EventWatcher(t, device, ['advertisementreceived']);
// Start a watchAdvertisements() operation.
await device.watchAdvertisements();
// Start a second watchAdvertisements() operation after the first one
// resolves. This operation should resolve successfully.
await device.watchAdvertisements();
let advertisementreceivedPromise = watcher.wait_for('advertisementreceived');
await fake_central.simulateAdvertisementReceived(
health_thermometer_ad_packet);
let evt = await advertisementreceivedPromise;
assert_equals(evt.device, device);
}, test_desc);