diff --git a/common/domain/replication_queue_test.go b/common/domain/replication_queue_test.go
index a795401f18a..c96da87ae74 100644
--- a/common/domain/replication_queue_test.go
+++ b/common/domain/replication_queue_test.go
@@ -21,7 +21,9 @@
 package domain
 
 import (
+	"bytes"
 	"context"
+	"encoding/binary"
 	"errors"
 	"testing"
 
@@ -32,6 +34,10 @@ import (
 	"github.com/uber/cadence/common/types"
 )
 
+const (
+	preambleVersion0 byte = 0x59
+)
+
 func TestReplicationQueueImpl_Publish(t *testing.T) {
 	tests := []struct {
 		name      string
@@ -69,7 +75,6 @@ func TestReplicationQueueImpl_Publish(t *testing.T) {
 			} else {
 				assert.NoError(t, err)
 			}
-			ctrl.Finish()
 		})
 	}
 }
@@ -111,7 +116,6 @@ func TestReplicationQueueImpl_PublishToDLQ(t *testing.T) {
 			} else {
 				assert.NoError(t, err)
 			}
-			ctrl.Finish()
 		})
 	}
 }
@@ -122,7 +126,6 @@ func TestGetReplicationMessages(t *testing.T) {
 		name      string
 		lastID    int64
 		maxCount  int
-		task      *types.ReplicationTask
 		wantErr   bool
 		setupMock func(q *persistence.MockQueueManager)
 	}{
@@ -130,7 +133,6 @@ func TestGetReplicationMessages(t *testing.T) {
 			name:     "successful message retrieval",
 			lastID:   100,
 			maxCount: 10,
-			task:     &types.ReplicationTask{},
 			wantErr:  false,
 			setupMock: func(q *persistence.MockQueueManager) {
 				q.EXPECT().ReadMessages(gomock.Any(), gomock.Eq(int64(100)), gomock.Eq(10)).Return(persistence.QueueMessageList{}, nil)
@@ -160,7 +162,6 @@ func TestGetReplicationMessages(t *testing.T) {
 			} else {
 				assert.NoError(t, err)
 			}
-			ctrl.Finish()
 		})
 	}
 }
@@ -206,7 +207,111 @@ func TestUpdateAckLevel(t *testing.T) {
 			} else {
 				assert.NoError(t, err)
 			}
-			ctrl.Finish()
+		})
+	}
+}
+
+func TestReplicationQueueImpl_GetAckLevels(t *testing.T) {
+	tests := []struct {
+		name      string
+		want      map[string]int64
+		wantErr   bool
+		setupMock func(q *persistence.MockQueueManager)
+	}{
+		{
+			name:    "successful ack levels retrieval",
+			want:    map[string]int64{"testCluster": 100},
+			wantErr: false,
+			setupMock: func(q *persistence.MockQueueManager) {
+				q.EXPECT().GetAckLevels(gomock.Any()).Return(map[string]int64{"testCluster": 100}, nil)
+			},
+		},
+		{
+			name:    "ack levels retrieval fails",
+			wantErr: true,
+			setupMock: func(q *persistence.MockQueueManager) {
+				q.EXPECT().GetAckLevels(gomock.Any()).Return(nil, errors.New("retrieval error"))
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ctrl := gomock.NewController(t)
+			mockQueue := persistence.NewMockQueueManager(ctrl)
+			rq := NewReplicationQueue(mockQueue, "testCluster", nil, nil)
+			tt.setupMock(mockQueue)
+			got, err := rq.GetAckLevels(context.Background())
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, tt.want, got)
+			}
+		})
+	}
+}
+
+func mockEncodeReplicationTask(sourceTaskID int64) ([]byte, error) {
+	var buf bytes.Buffer
+	buf.WriteByte(preambleVersion0)
+	binary.Write(&buf, binary.BigEndian, sourceTaskID)
+	return buf.Bytes(), nil
+}
+
+func TestGetMessagesFromDLQ(t *testing.T) {
+	tests := []struct {
+		name      string
+		firstID   int64
+		lastID    int64
+		pageSize  int
+		pageToken []byte
+		taskID    int64
+		wantErr   bool
+	}{
+		{
+			name:      "successful message retrieval",
+			firstID:   100,
+			lastID:    200,
+			pageSize:  10,
+			pageToken: []byte("token"),
+			taskID:    12345,
+			wantErr:   false,
+		},
+		{
+			name:      "read messages fails",
+			firstID:   100,
+			lastID:    200,
+			pageSize:  10,
+			pageToken: []byte("token"),
+			wantErr:   true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ctrl := gomock.NewController(t)
+			mockQueue := persistence.NewMockQueueManager(ctrl)
+			rq := NewReplicationQueue(mockQueue, "testCluster", nil, nil)
+
+			if !tt.wantErr {
+				encodedData, _ := mockEncodeReplicationTask(tt.taskID)
+				messages := []*persistence.QueueMessage{
+					{ID: 1, Payload: encodedData},
+				}
+				mockQueue.EXPECT().ReadMessagesFromDLQ(gomock.Any(), tt.firstID, tt.lastID, tt.pageSize, tt.pageToken).Return(messages, []byte("nextToken"), nil)
+			} else {
+				mockQueue.EXPECT().ReadMessagesFromDLQ(gomock.Any(), tt.firstID, tt.lastID, tt.pageSize, tt.pageToken).Return(nil, nil, errors.New("read error"))
+			}
+
+			replicationTasks, token, err := rq.GetMessagesFromDLQ(context.Background(), tt.firstID, tt.lastID, tt.pageSize, tt.pageToken)
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Len(t, replicationTasks, 1, "Expected one replication task to be returned")
+				assert.Equal(t, []byte("nextToken"), token, "Expected token to match 'nextToken'")
+			}
 		})
 	}
 }