네이버 웍스 연동기능 개선

backend/internal/service/worksmobile_mapper_test.go

@@ -56,6 +56,21 @@ func TestBuildWorksmobileOrgUnitPayloadUsesWorksmobileMailDomainForBarongroup(t
 	require.Equal(t, "jangheon@brsw.kr", payload.Email)
 }
 
+func TestBuildWorksmobileOrgUnitPayloadDefaultsDisplayOrderToOne(t *testing.T) {
+	t.Setenv("SAMAN_DOMAIN_ID", "1001")
+	tenant := domain.Tenant{
+		ID:      "11111111-1111-1111-1111-111111111111",
+		Slug:    "tech-dev-center",
+		Name:    "기술개발센터",
+		Domains: []domain.TenantDomain{{Domain: "samaneng.com"}},
+	}
+
+	payload, err := BuildWorksmobileOrgUnitPayload(tenant, nil, 0)
+
+	require.NoError(t, err)
+	require.Equal(t, 1, payload.DisplayOrder)
+}
+
 func TestNormalizeRootChildWorksmobileOrgUnitParentClearsCrossDomainParent(t *testing.T) {
 	rootID := "038326b6-954a-48a7-a85f-efd83f62b82a"
 	payload := WorksmobileOrgUnitPayload{ParentOrgUnitID: "externalKey:" + rootID}