diff --git a/packages/protocol/test/layer1/preconf/Lookahead.t.sol b/packages/protocol/test/layer1/preconf/Lookahead.t.sol
index a4ec9e06f9..a551371c61 100644
--- a/packages/protocol/test/layer1/preconf/Lookahead.t.sol
+++ b/packages/protocol/test/layer1/preconf/Lookahead.t.sol
@@ -13,5 +13,5 @@ import "test/shared/TaikoTest.sol";
 // require(_lookaheadBufferSize % LibEpoch.SLOTS_IN_EPOCH == 0, InvalidParam());
 
 contract LookaheadTest is TaikoTest {
-    // Lookahead lookahead = new Lookahead();
+// Lookahead lookahead = new Lookahead();
 }
diff --git a/packages/protocol/test/layer1/preconf/mocks/MockPreconfRegistry.sol b/packages/protocol/test/layer1/preconf/mocks/MockPreconfRegistry.sol
index 9eed8564f7..64455f2f52 100644
--- a/packages/protocol/test/layer1/preconf/mocks/MockPreconfRegistry.sol
+++ b/packages/protocol/test/layer1/preconf/mocks/MockPreconfRegistry.sol
@@ -4,15 +4,15 @@ pragma solidity ^0.8.24;
 import "src/layer1/preconf/iface/IPreconfRegistry.sol";
 
 contract MockPreconfRegistry {
-    mapping(address preconfer => uint256 index) internal preconferToIndex;
-    mapping(uint256 index => address preconfer) internal indexToPreconfer;
-    mapping(bytes32 pubKeyhash => IPreconfRegistry.Validator validator) internal validators;
+    mapping(address preconfer => uint256 index) public getPreconferIndex;
+    mapping(uint256 index => address preconfer) internal getPreconferAtIndex;
+    mapping(bytes32 pubKeyhash => IPreconfRegistry.Validator validator) internal getValidator;
 
     uint256 internal nextPreconferIndex = 1;
 
     function registerPreconfer(address preconfer) external {
-        preconferToIndex[preconfer] = nextPreconferIndex;
-        indexToPreconfer[nextPreconferIndex++] = preconfer;
+        getPreconferIndex[preconfer] = nextPreconferIndex;
+        getPreconferAtIndex[nextPreconferIndex++] = preconfer;
     }
 
     function addValidator(
@@ -24,26 +24,10 @@ contract MockPreconfRegistry {
         external
     {
         bytes32 key = keccak256(abi.encodePacked(bytes16(0), pubKey));
-        validators[key] = IPreconfRegistry.Validator(preconfer, validSince, validUntil);
+        getValidator[key] = IPreconfRegistry.Validator(preconfer, validSince, validUntil);
     }
 
     function getNextPreconferIndex() external view returns (uint256) {
         return nextPreconferIndex;
     }
-
-    function getPreconferIndex(address preconfer) external view returns (uint256) {
-        return preconferToIndex[preconfer];
-    }
-
-    function getPreconferAtIndex(uint256 index) external view returns (address) {
-        return indexToPreconfer[index];
-    }
-
-    function getValidator(bytes32 pubKeyHash)
-        external
-        view
-        returns (IPreconfRegistry.Validator memory)
-    {
-        return validators[pubKeyHash];
-    }
 }
diff --git a/packages/protocol/test/layer1/preconf/mocks/MockPreconfServiceManager.sol b/packages/protocol/test/layer1/preconf/mocks/MockPreconfServiceManager.sol
new file mode 100644
index 0000000000..c46ea65303
--- /dev/null
+++ b/packages/protocol/test/layer1/preconf/mocks/MockPreconfServiceManager.sol
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.24;
+
+contract MockPreconfServiceManager {
+    mapping(address => uint256) public stakeLockTimestamps;
+    mapping(address => bool) public operatorSlashed;
+
+    function lockStakeUntil(address operator, uint256 timestamp) external {
+        stakeLockTimestamps[operator] = timestamp;
+    }
+
+    function slashOperator(address operator) external {
+        operatorSlashed[operator] = true;
+    }
+}