diff --git a/src/testing/bridges/AMBBridgeTesting.sol b/src/testing/bridges/AMBBridgeTesting.sol
index 32c3cec..0340e7d 100644
--- a/src/testing/bridges/AMBBridgeTesting.sol
+++ b/src/testing/bridges/AMBBridgeTesting.sol
@@ -71,7 +71,7 @@ library AMBBridgeTesting {
         return bridge;
     }
 
-    function relayMessagesToDestination(Bridge memory bridge, bool switchToDestinationFork) internal {
+    function relayMessagesToDestination(Bridge storage bridge, bool switchToDestinationFork) internal {
         bridge.destination.selectFork();
 
         Vm.Log[] memory logs = bridge.ingestAndFilterLogs(true, USER_REQUEST_FOR_AFFIRMATION_TOPIC, USER_REQUEST_FOR_SIGNATURE_TOPIC, bridge.sourceCrossChainMessenger);
@@ -82,7 +82,7 @@ library AMBBridgeTesting {
         }
     }
 
-    function relayMessagesToSource(Bridge memory bridge, bool switchToSourceFork) internal {
+    function relayMessagesToSource(Bridge storage bridge, bool switchToSourceFork) internal {
         bridge.source.selectFork();
 
         Vm.Log[] memory logs = bridge.ingestAndFilterLogs(false, USER_REQUEST_FOR_AFFIRMATION_TOPIC, USER_REQUEST_FOR_SIGNATURE_TOPIC, bridge.destinationCrossChainMessenger);
diff --git a/src/testing/bridges/ArbitrumBridgeTesting.sol b/src/testing/bridges/ArbitrumBridgeTesting.sol
index 0046b88..4ab8ece 100644
--- a/src/testing/bridges/ArbitrumBridgeTesting.sol
+++ b/src/testing/bridges/ArbitrumBridgeTesting.sol
@@ -122,7 +122,7 @@ library ArbitrumBridgeTesting {
         return bridge;
     }
 
-    function relayMessagesToDestination(Bridge memory bridge, bool switchToDestinationFork) internal {
+    function relayMessagesToDestination(Bridge storage bridge, bool switchToDestinationFork) internal {
         bridge.destination.selectFork();
 
         Vm.Log[] memory logs = RecordedLogs.getLogs();
@@ -149,7 +149,7 @@ library ArbitrumBridgeTesting {
         }
     }
 
-    function relayMessagesToSource(Bridge memory bridge, bool switchToSourceFork) internal {
+    function relayMessagesToSource(Bridge storage bridge, bool switchToSourceFork) internal {
         bridge.source.selectFork();
 
         Vm.Log[] memory logs = bridge.ingestAndFilterLogs(false, SEND_TO_L1_TOPIC, bridge.destinationCrossChainMessenger);
diff --git a/src/testing/bridges/CCTPBridgeTesting.sol b/src/testing/bridges/CCTPBridgeTesting.sol
index bc91f6d..5a90714 100644
--- a/src/testing/bridges/CCTPBridgeTesting.sol
+++ b/src/testing/bridges/CCTPBridgeTesting.sol
@@ -71,7 +71,7 @@ library CCTPBridgeTesting {
         return bridge;
     }
 
-    function relayMessagesToDestination(Bridge memory bridge, bool switchToDestinationFork) internal {
+    function relayMessagesToDestination(Bridge storage bridge, bool switchToDestinationFork) internal {
         bridge.destination.selectFork();
 
         Vm.Log[] memory logs = bridge.ingestAndFilterLogs(true, SENT_MESSAGE_TOPIC, bridge.sourceCrossChainMessenger);
@@ -84,7 +84,7 @@ library CCTPBridgeTesting {
         }
     }
 
-    function relayMessagesToSource(Bridge memory bridge, bool switchToSourceFork) internal {
+    function relayMessagesToSource(Bridge storage bridge, bool switchToSourceFork) internal {
         bridge.source.selectFork();
         
         Vm.Log[] memory logs = bridge.ingestAndFilterLogs(false, SENT_MESSAGE_TOPIC, bridge.destinationCrossChainMessenger);
diff --git a/src/testing/bridges/OptimismBridgeTesting.sol b/src/testing/bridges/OptimismBridgeTesting.sol
index 4e3fbee..7823e6f 100644
--- a/src/testing/bridges/OptimismBridgeTesting.sol
+++ b/src/testing/bridges/OptimismBridgeTesting.sol
@@ -78,7 +78,7 @@ library OptimismBridgeTesting {
         return bridge;
     }
 
-    function relayMessagesToDestination(Bridge memory bridge, bool switchToDestinationFork) internal {
+    function relayMessagesToDestination(Bridge storage bridge, bool switchToDestinationFork) internal {
         bridge.destination.selectFork();
 
         address malias;
@@ -100,7 +100,7 @@ library OptimismBridgeTesting {
         }
     }
 
-    function relayMessagesToSource(Bridge memory bridge, bool switchToSourceFork) internal {
+    function relayMessagesToSource(Bridge storage bridge, bool switchToSourceFork) internal {
         bridge.source.selectFork();
 
         Vm.Log[] memory logs = bridge.ingestAndFilterLogs(false, SENT_MESSAGE_TOPIC, bridge.destinationCrossChainMessenger);
diff --git a/src/testing/utils/RecordedLogs.sol b/src/testing/utils/RecordedLogs.sol
index 0658f33..1ff477d 100644
--- a/src/testing/utils/RecordedLogs.sol
+++ b/src/testing/utils/RecordedLogs.sol
@@ -33,7 +33,7 @@ library RecordedLogs {
         return logs;
     }
 
-    function ingestAndFilterLogs(Bridge memory bridge, bool sourceToDestination, bytes32 topic0, bytes32 topic1, address emitter) internal returns (Vm.Log[] memory filteredLogs) {
+    function ingestAndFilterLogs(Bridge storage bridge, bool sourceToDestination, bytes32 topic0, bytes32 topic1, address emitter) internal returns (Vm.Log[] memory filteredLogs) {
         Vm.Log[] memory logs = RecordedLogs.getLogs();
         uint256 lastIndex = sourceToDestination ? bridge.lastSourceLogIndex : bridge.lastDestinationLogIndex;
         uint256 pushedIndex = 0;
@@ -53,7 +53,7 @@ library RecordedLogs {
         assembly { mstore(filteredLogs, pushedIndex) }
     }
 
-    function ingestAndFilterLogs(Bridge memory bridge, bool sourceToDestination, bytes32 topic, address emitter) internal returns (Vm.Log[] memory filteredLogs) {
+    function ingestAndFilterLogs(Bridge storage bridge, bool sourceToDestination, bytes32 topic, address emitter) internal returns (Vm.Log[] memory filteredLogs) {
         return ingestAndFilterLogs(bridge, sourceToDestination, topic, bytes32(0), emitter);
     }
 
diff --git a/test/IntegrationBase.t.sol b/test/IntegrationBase.t.sol
index 2f40cc9..aa16544 100644
--- a/test/IntegrationBase.t.sol
+++ b/test/IntegrationBase.t.sol
@@ -105,6 +105,16 @@ abstract contract IntegrationBaseTest is Test {
         assertEq(moSource.length(), 2);
         assertEq(moSource.messages(0), 3);
         assertEq(moSource.messages(1), 4);
+
+        // One more message to destination
+        vm.startPrank(sourceAuthority);
+        queueSourceToDestination(abi.encodeCall(MessageOrdering.push, (5)));
+        vm.stopPrank();
+
+        relaySourceToDestination();
+
+        assertEq(moDestination.length(), 3);
+        assertEq(moDestination.messages(2), 5);
     }
 
     function initSourceReceiver() internal virtual returns (address);