contracts-bedrock: update DelayedVetoable test

The test does not need to be `CommonTest`. Making it
just `Test` will reduce the overhead of running the `setUp`.

packages/contracts-bedrock/.gas-snapshot

@@ -46,9 +46,9 @@ CrossDomainOwnable3_Test:test_transferOwnership_zeroAddress_reverts() (gas: 1217
 CrossDomainOwnableThroughPortal_Test:test_depositTransaction_crossDomainOwner_succeeds() (gas: 81574)
 CrossDomainOwnable_Test:test_onlyOwner_notOwner_reverts() (gas: 10597)
 CrossDomainOwnable_Test:test_onlyOwner_succeeds() (gas: 34905)
-DelayedVetoable_Getters_Test:test_getters() (gas: 24620)
-DelayedVetoable_Getters_TestFail:test_getters_notZeroAddress_reverts() (gas: 36289)
-DelayedVetoable_HandleCall_TestFail:test_handleCall_unauthorizedInitiation_reverts() (gas: 15165)
+DelayedVetoable_Getters_Test:test_getters() (gas: 24400)
+DelayedVetoable_Getters_TestFail:test_getters_notZeroAddress_reverts() (gas: 36095)
+DelayedVetoable_HandleCall_TestFail:test_handleCall_unauthorizedInitiation_reverts() (gas: 15172)
 DeployerWhitelist_Test:test_owner_succeeds() (gas: 7582)
 DeployerWhitelist_Test:test_storageSlots_succeeds() (gas: 33417)
 DisputeGameFactory_Owner_Test:test_owner_succeeds() (gas: 12611)
@@ -435,7 +435,6 @@ MintManager_mint_Test:test_mint_moreThanCap_reverts() (gas: 142590)
 MintManager_upgrade_Test:test_upgrade_fromNotOwner_reverts() (gas: 11041)
 MintManager_upgrade_Test:test_upgrade_fromOwner_succeeds() (gas: 23509)
 MintManager_upgrade_Test:test_upgrade_toZeroAddress_reverts() (gas: 11070)
-Multichain:test_script_succeeds() (gas: 3078)
 OptimismMintableERC20_Test:test_bridge_succeeds() (gas: 7732)
 OptimismMintableERC20_Test:test_burn_notBridge_reverts() (gas: 11168)
 OptimismMintableERC20_Test:test_burn_succeeds() (gas: 51057)

packages/contracts-bedrock/test/DelayedVetoable.t.sol

 // SPDX-License-Identifier: MIT
 pragma solidity 0.8.15;
 
-import { CommonTest } from "test/setup/CommonTest.sol";
+import { Test } from "forge-std/Test.sol";
 import { DelayedVetoable } from "src/L1/DelayedVetoable.sol";
 
-contract DelayedVetoable_Init is CommonTest {
+contract DelayedVetoable_Init is Test {
     error Unauthorized(address expected, address actual);
     error ForwardingEarly();
 
@@ -12,17 +12,22 @@ contract DelayedVetoable_Init is CommonTest {
     event Forwarded(bytes32 indexed callHash, bytes data);
     event Vetoed(bytes32 indexed callHash, bytes data);
 
-    address target = address(0xabba);
-    address initiator = alice;
-    address vetoer = bob;
+    address target;
+    address initiator;
+    address vetoer;
     uint256 operatingDelay = 14 days;
     DelayedVetoable delayedVetoable;
 
-    function setUp() public override {
-        super.setUp();
+    function setUp() public {
+        initiator = makeAddr("initiator");
+        vetoer = makeAddr("vetoer");
+        target = makeAddr("target");
+        vm.deal(initiator, 10000 ether);
+        vm.deal(vetoer, 10000 ether);
+
         delayedVetoable = new DelayedVetoable({
-            initiator_: alice,
-            vetoer_: bob,
+            initiator_: initiator,
+            vetoer_: vetoer,
             target_: address(target),
             operatingDelay_: operatingDelay
         });