diff --git a/test/integration/client_test.go b/test/integration/client_test.go
index e8e6b6430..016a1b060 100644
--- a/test/integration/client_test.go
+++ b/test/integration/client_test.go
@@ -20,9 +20,11 @@ package integration
 
 import (
 	"context"
+	"testing"
+
 	"github.com/stretchr/testify/assert"
+
 	"github.com/yorkie-team/yorkie/client"
-	"testing"
 )
 
 func TestClient(t *testing.T) {
diff --git a/test/integration/counter_test.go b/test/integration/counter_test.go
index 0a35b4800..65497e369 100644
--- a/test/integration/counter_test.go
+++ b/test/integration/counter_test.go
@@ -24,6 +24,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+
 	"github.com/yorkie-team/yorkie/pkg/document"
 	"github.com/yorkie-team/yorkie/pkg/document/proxy"
 	"github.com/yorkie-team/yorkie/test/helper"
diff --git a/test/integration/gc_test.go b/test/integration/gc_test.go
index 164a0e651..67410f125 100644
--- a/test/integration/gc_test.go
+++ b/test/integration/gc_test.go
@@ -23,6 +23,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+
 	"github.com/yorkie-team/yorkie/pkg/document"
 	"github.com/yorkie-team/yorkie/pkg/document/proxy"
 	"github.com/yorkie-team/yorkie/test/helper"
diff --git a/yorkie/config_test.go b/yorkie/config_test.go
index 36cef9496..108a0c4ef 100644
--- a/yorkie/config_test.go
+++ b/yorkie/config_test.go
@@ -17,13 +17,12 @@
 package yorkie_test
 
 import (
+	"strconv"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/assert"
 
-	"strconv"
-
 	"github.com/yorkie-team/yorkie/yorkie"
 )