    function changeFees() external {
        if (block.timestamp < proposedFeeTime + quitPeriod)
            revert NotPassedQuitPeriod(quitPeriod);


        emit ChangedFees(fees, proposedFees);
        fees = proposedFees;
    }
function test__changeFees() public {
    VaultFees memory newVaultFees = VaultFees({ deposit: 0, withdrawal: 0, management: 0, performance: 0 });
    //noone proposed
    //vault.proposeFees(newVaultFees);

    vm.warp(block.timestamp + 3 days);

    vm.expectEmit(false, false, false, true, address(vault));
    emit ChangedFees(VaultFees({ deposit: 0, withdrawal: 0, management: 0, performance: 0 }), newVaultFees);

    vault.changeFees();

    (uint256 deposit, uint256 withdrawal, uint256 management, uint256 performance) = vault.fees();
    assertEq(deposit, 0);
    assertEq(withdrawal, 0);
    assertEq(management, 0);
    assertEq(performance, 0);
  }
    function changeFees() external {
        if (proposedFeeTime == 0 || block.timestamp < proposedFeeTime + quitPeriod)
            revert NotPassedQuitPeriod(quitPeriod);


        emit ChangedFees(fees, proposedFees);
        fees = proposedFees;
    }
