chore: Update sequencer inbox stub to use EigenDA blob verifier

src/mocks/SequencerInboxStub.sol

@@ -5,9 +5,13 @@
 pragma solidity ^0.8.0;
 
 import "../bridge/SequencerInbox.sol";
+import "../bridge/EigenDABlobVerifierL2.sol";
+
 import "../bridge/IEthBridge.sol";
 import {INITIALIZATION_MSG_TYPE} from "../libraries/MessageTypes.sol";
 
+import "../bridge/IRollupManager.sol";
+
 contract SequencerInboxStub is SequencerInbox {
     constructor(
         IBridge bridge_,
@@ -24,6 +28,10 @@ contract SequencerInboxStub is SequencerInbox {
         delaySeconds = uint64(maxTimeVariation_.delaySeconds);
         futureSeconds = uint64(maxTimeVariation_.futureSeconds);
         isBatchPoster[sequencer_] = true;
+
+        // inject dummy rollup manager dependency for testing
+        IRollupManager bv = new EigenDABlobVerifierL2();
+        eigenDARollupManager = bv;
     }
 
     function addInitMessage(uint256 chainId) external {
@@ -58,4 +66,4 @@ contract SequencerInboxStub is SequencerInbox {
         this; // silence warning about function not being view
         return bounds;
     }
-}
+}