test/fork: Write test for feeless-votes fix

src/test/BondingVotesFeeLessVotesFix.sol

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+pragma solidity ^0.8.9;
+
+import "ds-test/test.sol";
+import "./base/GovernorBaseTest.sol";
+import "contracts/Controller.sol";
+import "contracts/bonding/BondingVotes.sol";
+import "contracts/bonding/BondingManager.sol";
+import "contracts/snapshots/MerkleSnapshot.sol";
+import "./interfaces/ICheatCodes.sol";
+import "./interfaces/IL2Migrator.sol";
+
+// forge test --match-contract BondingVotesFeeLessVotesFix --fork-url https://arbitrum-mainnet.infura.io/v3/$INFURA_KEY -vvv --fork-block-number 140314540
+contract BondingVotesFeeLessVotesFix is GovernorBaseTest {
+    bytes public constant arithmeticError = abi.encodeWithSignature("Panic(uint256)", 0x11);
+
+    BondingManager public constant BONDING_MANAGER = BondingManager(0x35Bcf3c30594191d53231E4FF333E8A770453e40);
+    IBondingVotes public constant BONDING_VOTES = IBondingVotes(0x0B9C254837E72Ebe9Fe04960C43B69782E68169A);
+
+    bytes32 public constant BONDING_VOTES_TARGET_ID = keccak256("BondingVotesTarget");
+
+    BondingVotes public newBondingVotesTarget;
+
+    address public DELEGATOR = 0xdB18A9353139880d73616e4972a855d66C9B69f0;
+
+    event Bond(
+        address indexed newDelegate,
+        address indexed oldDelegate,
+        address indexed delegator,
+        uint256 additionalAmount,
+        uint256 bondedAmount
+    );
+
+    function setUp() public {
+        newBondingVotesTarget = new BondingVotes(address(CONTROLLER));
+    }
+
+    function doUpgrade() internal {
+        (, gitCommitHash) = CONTROLLER.getContractInfo(BONDING_VOTES_TARGET_ID);
+
+        stageAndExecuteOne(
+            address(CONTROLLER),
+            0,
+            abi.encodeWithSelector(
+                CONTROLLER.setContractInfo.selector,
+                BONDING_VOTES_TARGET_ID,
+                address(newBondingVotesTarget),
+                gitCommitHash
+            )
+        );
+
+        // Check that new BondingVotesTarget is registered
+        (address infoAddr, bytes20 infoGitCommitHash) = fetchContractInfo(BONDING_VOTES_TARGET_ID);
+        assertEq(infoAddr, address(newBondingVotesTarget));
+        assertEq(infoGitCommitHash, gitCommitHash);
+    }
+
+    function testBeforeUpgrade() public {
+        CHEATS.expectRevert(arithmeticError);
+        BONDING_VOTES.getVotes(DELEGATOR);
+    }
+
+    function testAfterUpgrade() public {
+        doUpgrade();
+
+        uint256 votes = BONDING_VOTES.getVotes(DELEGATOR);
+        assertTrue(votes > 0);
+    }
+}