test: reuse dedicated deployment page path

tests/test_data_rule_frontend_contract.py

@@ -19,7 +19,7 @@ DATAFLOW = Path(
 FACTORY = Path(
     "frontend/src/views/dataFactory/productionLineDeployment/index.vue"
 )
-FACTORY_INDEX = Path("frontend/src/views/dataFactory/productionLineDeployment/index.vue")
+FACTORY_INDEX = FACTORY
 
 
 def test_rule_api_client_exposes_versions_publish_and_server_side_release():