diff --git a/br/pkg/redact/redact_test.go b/br/pkg/redact/redact_test.go
index 9ee743292519a..5647a681974f3 100644
--- a/br/pkg/redact/redact_test.go
+++ b/br/pkg/redact/redact_test.go
@@ -3,29 +3,24 @@
 package redact_test
 
 import (
+	"encoding/hex"
 	"testing"
 
-	. "github.com/pingcap/check"
 	"github.com/pingcap/tidb/br/pkg/redact"
+	"github.com/stretchr/testify/require"
+	"go.uber.org/goleak"
 )
 
-type testRedactSuite struct{}
+func TestRedact(t *testing.T) {
+	defer goleak.VerifyNone(t)
 
-func (s *testRedactSuite) SetUpSuite(c *C)    {}
-func (s *testRedactSuite) TearDownSuite(c *C) {}
-
-var _ = Suite(&testRedactSuite{})
-
-func TestT(t *testing.T) {}
-
-func (s *testRedactSuite) TestRedact(c *C) {
 	redacted, secret := "?", "secret"
 
 	redact.InitRedact(false)
-	c.Assert(redact.String(secret), Equals, secret)
-	c.Assert(redact.Key([]byte(secret)), Equals, secret)
+	require.Equal(t, redact.String(secret), secret)
+	require.Equal(t, redact.Key([]byte(secret)), hex.EncodeToString([]byte(secret)))
 
 	redact.InitRedact(true)
-	c.Assert(redact.String(secret), Equals, redacted)
-	c.Assert(redact.Key([]byte(secret)), Equals, redacted)
+	require.Equal(t, redact.String(secret), redacted)
+	require.Equal(t, redact.Key([]byte(secret)), redacted)
 }