Simple Solidity test tree

foo.t.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.18;

import { PRBTest } from "@prb/test/PRBTest.sol";

contract Foo is PRBTest {
    function test_RevertWhen_CallerNotOwner() external {
        vm.expectRevert();
        // ...
    }

    modifier callerOwner() {
        _;
    }

    function test_RevertWhen_DepositZero() external callerOwner {
        vm.expectRevert();
        // ...
    }

    modifier depositNotZero() {
        _;
    }

    function test_MyFunc() external callerOwner depositNotZero {
        // ...
    }
}

foo.tree

foo.t.sol
├── when the caller is not the owner
│  └── it should revert
└── when the caller is the owner
   ├── when the deposit is zero
   │  └── it should revert
   └── when the deposit is not zero
      └── it should work