The error message on windows:
2020-11-30T18:10:47.536032Z ListWalletDir: Error scanning C:\Users\user\AppData\Local\Temp\test_runner_₿🏃_20201130_181042\wallet_multiwallet_0\node0\regtest\wallets\self_walletdat_symlink: boost::filesystem::status: The name of the file cannot be resolved by the system: "C:\Users\user\AppData\Local\Temp\test_runner₿_🏃_20201130_181042\wallet_multiwallet_0\node0\regtest\wallets\self_walletdat_symlink\wallet.dat"