Most recent failure [on master](https://cirrus-ci.com/task/6073953614561280) (https://github.com/bitcoin/bitcoin/commit/567670bec5ecf9bc252e91370382be53fd81ccee):
```bash
 test  2021-06-23T11:18:18.969000Z TestFramework.node0 (DEBUG): Node stopped 
 test  2021-06-23T11:18:18.969000Z TestFramework.bitcoincli (DEBUG): Running bitcoin-cli ['-rpcwait', '-rpcwaittimeout=5', 'echo'] 
 test  2021-06-23T11:18:23.001000Z TestFramework (ERROR): Assertion failed 
                                   Traceback (most recent call last):
                                     File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/test_framework.py", line 128, in main
                                       self.run_test()
                                     File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/interface_bitcoin_cli.py", line 257, in run_test
                                       assert_greater_than_or_equal(time.time(), start_time + 5)
                                     File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/util.py", line 61, in assert_greater_than_or_equal
                                       raise AssertionError("%s < %s" % (str(thing1), str(thing2)))
                                   AssertionError: 1624447103.0015192 < 1624447103.969648
 test  2021-06-23T11:18:23.004000Z TestFramework (DEBUG): Closing down network thread 
 test  2021-06-23T11:18:23.055000Z TestFramework (INFO): Stopping nodes 
```
{
    DefaultRequestHandler rh;
    const UniValue listwallets = ConnectAndCallRPC(&rh, "listwallets", {});
    if (!find_value(listwallets, "error").isNull()) return;
    const UniValue& wallets = find_value(listwallets, "result");
    if (wallets.size() <= 1) return;
    UniValue balances(UniValue::VOBJ);
    for (const UniValue& wallet : wallets.getValues()) {
        const std::string wallet_name = wallet.get_str();
        const UniValue getbalances = ConnectAndCallRPC(&rh, "getbalances", {}, wallet_name);
        const UniValue& balance = find_value(getbalances, "result")["mine"]["trusted"];
        balances.pushKV(wallet_name, balance);
    }
    result.pushKV("balances", balances);
}
/**
 * Call RPC getnewaddress.
 * @returns getnewaddress response as a UniValue object.
 */
static UniValue GetNewAddress()