diff --git a/cdc/sink/mq/main_test.go b/cdc/sink/mq/main_test.go
index 099e067b96f..ecdd0528eeb 100644
--- a/cdc/sink/mq/main_test.go
+++ b/cdc/sink/mq/main_test.go
@@ -13,6 +13,12 @@
 
 package mq
 
-// func TestMain(m *testing.M) {
-// 	leakutil.SetUpLeakTest(m)
-// }
+import (
+	"testing"
+
+	"github.com/pingcap/tiflow/pkg/leakutil"
+)
+
+func TestMain(m *testing.M) {
+	leakutil.SetUpLeakTest(m)
+}
diff --git a/cdc/sink/mq/mq_flush_worker_test.go b/cdc/sink/mq/mq_flush_worker_test.go
index a2a410beb76..224fc796769 100644
--- a/cdc/sink/mq/mq_flush_worker_test.go
+++ b/cdc/sink/mq/mq_flush_worker_test.go
@@ -15,10 +15,11 @@ package mq
 
 import (
 	"context"
+	"errors"
+	"math"
 	"sync"
 	"testing"
 
-	"github.com/pingcap/errors"
 	"github.com/pingcap/tidb/util/timeutil"
 	"github.com/pingcap/tiflow/cdc/model"
 	"github.com/pingcap/tiflow/cdc/sink/codec"
@@ -81,7 +82,7 @@ func NewMockProducer() *mockProducer {
 	}
 }
 
-func newTestWorker() (*flushWorker, *mockProducer) {
+func newTestWorker(ctx context.Context) (*flushWorker, *mockProducer) {
 	// 200 is about the size of a row change.
 	encoderConfig := codec.NewConfig(config.ProtocolOpen, timeutil.SystemLocation()).
 		WithMaxMessageBytes(200)
@@ -95,14 +96,16 @@ func newTestWorker() (*flushWorker, *mockProducer) {
 	}
 	producer := NewMockProducer()
 	return newFlushWorker(encoder, producer,
-		metrics.NewStatistics(context.Background(), metrics.SinkTypeMQ)), producer
+		metrics.NewStatistics(ctx, metrics.SinkTypeMQ)), producer
 }
 
 //nolint:tparallel
 func TestBatch(t *testing.T) {
 	t.Parallel()
 
-	worker, _ := newTestWorker()
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	worker, _ := newTestWorker(ctx)
 	key := topicPartitionKey{
 		topic:     "test",
 		partition: 1,
@@ -163,7 +166,8 @@ func TestBatch(t *testing.T) {
 				},
 				{
 					row: &model.RowChangedEvent{
-						CommitTs: 2,
+						// Indicates that this event is not expected to be processed
+						CommitTs: math.MaxUint64,
 						Table:    &model.TableName{Schema: "a", Table: "b"},
 						Columns:  []*model.Column{{Name: "col1", Type: 1, Value: "bb"}},
 					},
@@ -175,7 +179,6 @@ func TestBatch(t *testing.T) {
 	}
 
 	var wg sync.WaitGroup
-	ctx := context.Background()
 	batch := make([]mqEvent, 3)
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
@@ -191,8 +194,12 @@ func TestBatch(t *testing.T) {
 
 			go func() {
 				for _, event := range test.events {
-					err := worker.addEvent(context.Background(), event)
-					require.NoError(t, err)
+					err := worker.addEvent(ctx, event)
+					if event.row == nil || event.row.CommitTs != math.MaxUint64 {
+						require.NoError(t, err)
+					} else {
+						require.Regexp(t, ".*context canceled.*", err)
+					}
 				}
 			}()
 			wg.Wait()
@@ -215,7 +222,9 @@ func TestGroup(t *testing.T) {
 		topic:     "test1",
 		partition: 2,
 	}
-	worker, _ := newTestWorker()
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	worker, _ := newTestWorker(ctx)
 
 	events := []mqEvent{
 		{
@@ -291,7 +300,9 @@ func TestAsyncSend(t *testing.T) {
 		partition: 3,
 	}
 
-	worker, producer := newTestWorker()
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	worker, producer := newTestWorker(ctx)
 	events := []mqEvent{
 		{
 			row: &model.RowChangedEvent{
@@ -359,7 +370,10 @@ func TestFlush(t *testing.T) {
 		topic:     "test",
 		partition: 1,
 	}
-	worker, producer := newTestWorker()
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	worker, producer := newTestWorker(ctx)
 
 	events := []mqEvent{
 		{
@@ -420,8 +434,8 @@ func TestFlush(t *testing.T) {
 func TestAbort(t *testing.T) {
 	t.Parallel()
 
-	worker, _ := newTestWorker()
 	ctx, cancel := context.WithCancel(context.Background())
+	worker, _ := newTestWorker(ctx)
 
 	var wg sync.WaitGroup
 	wg.Add(1)
@@ -438,9 +452,9 @@ func TestAbort(t *testing.T) {
 func TestProducerError(t *testing.T) {
 	t.Parallel()
 
-	worker, prod := newTestWorker()
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
+	worker, prod := newTestWorker(ctx)
 
 	var wg sync.WaitGroup
 	wg.Add(1)