diff --git a/sms/mitake/provider_test.go b/sms/mitake/provider_test.go
index 83fed91..a50e755 100644
--- a/sms/mitake/provider_test.go
+++ b/sms/mitake/provider_test.go
@@ -51,7 +51,6 @@ func TestProvider(t *testing.T) {
 	}, &sms.Message{
 		Text: text,
 	})
-
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/sms/null_provider.go b/sms/null_provider.go
index dc7dd1b..442d6d8 100644
--- a/sms/null_provider.go
+++ b/sms/null_provider.go
@@ -2,8 +2,7 @@ package sms
 
 import "context"
 
-type NullProvider struct {
-}
+type NullProvider struct{}
 
 func NewNullProvider() Provider {
 	return &NullProvider{}
diff --git a/sms/sms.go b/sms/sms.go
index 54c3e23..d7cafea 100644
--- a/sms/sms.go
+++ b/sms/sms.go
@@ -56,7 +56,7 @@ func (s *Sms) SendTextWithNumber(ctx context.Context, phoneNumber, text string)
 	}, text)
 }
 
-func (s *Sms) SendTemplateWithNumber(ctx context.Context, phoneNumber, template string, variables map[string]string) error {
+func (s *Sms) SendTemplateWithNumber(ctx context.Context, phoneNumber, template string, variables map[string]string) error { //nolint:lll
 	return s.SendTemplate(ctx, &Phone{
 		Number: phoneNumber,
 	}, template, variables)
diff --git a/sms/sms_test.go b/sms/sms_test.go
index b3d9208..f91af16 100644
--- a/sms/sms_test.go
+++ b/sms/sms_test.go
@@ -1,6 +1,7 @@
 package sms
 
 import (
+	"context"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -8,10 +9,11 @@ import (
 
 func TestSms(t *testing.T) {
 	sms := New(NewNullProvider())
+	ctx := context.Background()
 
-	assert.NoError(t, sms.Send(nil, nil, nil))
-	assert.NoError(t, sms.SendText(nil, nil, ""))
-	assert.NoError(t, sms.SendTemplate(nil, nil, "", nil))
-	assert.NoError(t, sms.SendTextWithNumber(nil, "", ""))
-	assert.NoError(t, sms.SendTemplateWithNumber(nil, "", "", nil))
+	assert.NoError(t, sms.Send(ctx, nil, nil))
+	assert.NoError(t, sms.SendText(ctx, nil, ""))
+	assert.NoError(t, sms.SendTemplate(ctx, nil, "", nil))
+	assert.NoError(t, sms.SendTextWithNumber(ctx, "", ""))
+	assert.NoError(t, sms.SendTemplateWithNumber(ctx, "", "", nil))
 }