fix test

Author: LeoPatOZ

src/protocol/CheckpointTracker.sol

@@ -10,7 +10,7 @@ contract CheckpointTracker is ICheckpointTracker {
     /// @notice The publication id of the current proven checkpoint representing the latest verified state of the rollup
     /// @dev A checkpoint commitment is any value (typically a state root) that uniquely identifies
     /// the state of the rollup at a specific point in time
-    uint256 _provenPublicationId;
+    uint256 private _provenPublicationId;
 
     IPublicationFeed public immutable publicationFeed;
     IVerifier public immutable verifier;

test/ProverManager.t.sol

@@ -8,17 +8,17 @@ import {ProverManager} from "../src/protocol/taiko_alethia/ProverManager.sol";
 import {ICheckpointTracker} from "src/protocol/ICheckpointTracker.sol";
 import {IPublicationFeed} from "src/protocol/IPublicationFeed.sol";
 import {PublicationFeed} from "src/protocol/PublicationFeed.sol";
-import {SignalService} from "src/protocol/SignalService.sol";
 
+import {SignalService} from "src/protocol/SignalService.sol";
 import {MockCheckpointTracker} from "test/mocks/MockCheckpointTracker.sol";
 import {NullVerifier} from "test/mocks/NullVerifier.sol";
 
 contract ProverManagerTest is Test {
     ProverManager proverManager;
     MockCheckpointTracker checkpointTracker;
+    SignalService signalService;
     NullVerifier verifier;
     PublicationFeed publicationFeed;
-    SignalService signalService;
     uint256 constant DEPOSIT_AMOUNT = 2 ether;
 
     // Addresses used for testing.
@@ -46,10 +46,10 @@ contract ProverManagerTest is Test {
         publicationFeed = new PublicationFeed();
         signalService = new SignalService();
         checkpointTracker = new MockCheckpointTracker(address(signalService));
-        vm.prank(rollupOperator);
 
         // Fund the initial prover so the constructor can receive the required livenessBond.
         vm.deal(initialProver, 10 ether);
+
         // Create the config struct for the constructor
         ProverManager.ProverManagerConfig memory config = ProverManager.ProverManagerConfig({
             maxBidPercentage: MAX_BID_PERCENTAGE,