TimelockHarness.sol

pragma solidity ^0.5.16;

import "../governance/Timelock.sol";

interface Administered {
    function _acceptAdmin() external returns (uint256);
}

contract TimelockHarness is Timelock {
    constructor(address admin_, uint256 delay_) public Timelock(admin_, delay_) {}

    function setDelayWithoutChecking(uint256 delay_) public {
        delay = delay_;

        emit NewDelay(delay);
    }

    function harnessSetPendingAdmin(address pendingAdmin_) public {
        pendingAdmin = pendingAdmin_;
    }

    function harnessSetAdmin(address admin_) public {
        admin = admin_;
    }
}

contract TimelockTest is Timelock {
    constructor(address admin_, uint256 delay_) public Timelock(admin_, 2 days) {
        delay = delay_;
    }

    function harnessSetAdmin(address admin_) public {
        require(msg.sender == admin);
        admin = admin_;
    }

    function harnessAcceptAdmin(Administered administered) public {
        administered._acceptAdmin();
    }
}