golangci lint 적용

backend/internal/handler/tenant_handler_test.go

@@ -74,13 +74,13 @@ func TestTenantHandler_CreateTenant(t *testing.T) {
 	app := fiber.New()
 	mockSvc := new(MockTenantService)
 	// CreateTenant checks h.DB != nil
-	h := &TenantHandler{Service: mockSvc, DB: &gorm.DB{}} 
-	
+	h := &TenantHandler{Service: mockSvc, DB: &gorm.DB{}}
+
 	app.Post("/tenants", h.CreateTenant)
 
 	input := map[string]interface{}{
-		"name": "Test Tenant",
-		"slug": "test-tenant",
+		"name":    "Test Tenant",
+		"slug":    "test-tenant",
 		"domains": []string{"test.com"},
 	}
 	body, _ := json.Marshal(input)
@@ -102,7 +102,7 @@ func TestTenantHandler_ApproveTenant(t *testing.T) {
 	app := fiber.New()
 	mockSvc := new(MockTenantService)
 	h := &TenantHandler{Service: mockSvc}
-	
+
 	app.Post("/tenants/:id/approve", h.ApproveTenant)
 
 	mockSvc.On("ApproveTenant", mock.Anything, "t1").Return(nil)