pragma solidity ^0.4.24; import "../payment/ConditionalEscrow.sol"; // mock class using ConditionalEscrow contract ConditionalEscrowMock is ConditionalEscrow { mapping(address => bool) private _allowed; function setAllowed(address payee, bool allowed) public { _allowed[payee] = allowed; } function withdrawalAllowed(address payee) public view returns (bool) { return _allowed[payee]; } }