diff --git a/vid-app-common/src/test/resources/vf-with-vfcInstanceGroups.json b/vid-app-common/src/test/resources/vf-with-vfcInstanceGroups.json
new file mode 100644
index 0000000..ee3a1b4
--- /dev/null
+++ b/vid-app-common/src/test/resources/vf-with-vfcInstanceGroups.json
@@ -0,0 +1,135 @@
+{
+  "service": {
+    "uuid": "6bce7302-70bd-4057-b48e-8d5b99e686ca",
+    "invariantUuid": "9aa04749-c02c-432d-a90c-18caa361c833",
+    "name": "vDBE_srv",
+    "version": "1.0",
+    "toscaModelURL": null,
+    "category": "Network L4+",
+    "serviceType": "",
+    "serviceRole": "",
+    "description": "vDBE_srv",
+    "serviceEcompNaming": "true",
+    "instantiationType": "A-La-Carte",
+    "inputs": {
+      
+    }
+  },
+  "vnfs": {
+    "vDBE 0": {
+      "uuid": "61535073-2e50-4141-9000-f66fea69b433",
+      "invariantUuid": "fcdf49ce-6f0b-4ca2-b676-a484e650e734",
+      "description": "vDBE",
+      "name": "vDBE",
+      "version": "0.2",
+      "customizationUuid": "882e5dcb-ba9f-4766-8cde-e326638107db",
+      "inputs": {
+        
+      },
+      "commands": {
+        
+      },
+      "properties": {
+        "nf_naming": "{ecomp_generated_naming=true}",
+        "multi_stage_design": "false",
+        "oam_vfc_instance_group_function": "oambbb",
+        "availability_zone_max_count": "1",
+        "oam_network_collection_function": "oamaaa",
+        "ecomp_generated_naming": "true",
+        "untr_vfc_instance_group_function": "untrbbb",
+        "untr_network_collection_function": "untraaa"
+      },
+      "type": "VF",
+      "modelCustomizationName": "vDBE 0",
+      "vfModules": {
+        "vdbe0..Vdbe..main..module-0": {
+          "uuid": "25a4d009-2f5a-44b4-b02a-62c584c15912",
+          "invariantUuid": "614afb1a-3e7e-44e9-90ab-424d0070c781",
+          "customizationUuid": "3443b341-7b0b-498c-a84a-a7ee736cba7e",
+          "description": null,
+          "name": "Vdbe..main..module-0",
+          "version": "1",
+          "modelCustomizationName": "Vdbe..main..module-0",
+          "properties": {
+            "minCountInstances": 1,
+            "maxCountInstances": 1,
+            "initialCount": 1,
+            "vfModuleLabel": "main"
+          },
+          "inputs": {
+            
+          },
+          "volumeGroupAllowed": false
+        }
+      },
+      "volumeGroups": {
+        
+      },
+      "vfcInstanceGroups": {
+        "untr_group": {
+          "uuid": "5fca04e2-a889-4579-8338-f60f1bf285fa",
+          "invariantUuid": "fb1e384b-117a-46ae-9ad1-bf2f1ee1e49f",
+          "name": "untr_group",
+          "version": "1",
+          "vfcInstanceGroupProperties": {
+            "vfcParentPortRole": "untr",
+            "networkCollectionFunction": "untraaa",
+            "vfcInstanceGroupFunction": null,
+            "subinterfaceRole": "untr"
+          }
+        },
+        "oam_group": {
+          "uuid": "a0efd5fc-f7be-4502-936a-a6c6392b958f",
+          "invariantUuid": "9384abf9-1231-4da4-bd8d-89e4d2f8a749",
+          "name": "oam_group",
+          "version": "1",
+          "vfcInstanceGroupProperties": {
+            "vfcParentPortRole": "untr",
+            "networkCollectionFunction": "untraaa",
+            "vfcInstanceGroupFunction": null,
+            "subinterfaceRole": "untr"
+          }
+        }
+      }
+    }
+  },
+  "networks": {
+    
+  },
+  "collectionResource": {
+    
+  },
+  "configurations": {
+    
+  },
+  "serviceProxies": {
+    
+  },
+  "vfModules": {
+    "vdbe0..Vdbe..main..module-0": {
+      "uuid": "25a4d009-2f5a-44b4-b02a-62c584c15912",
+      "invariantUuid": "614afb1a-3e7e-44e9-90ab-424d0070c781",
+      "customizationUuid": "3443b341-7b0b-498c-a84a-a7ee736cba7e",
+      "description": null,
+      "name": "Vdbe..main..module-0",
+      "version": "1",
+      "modelCustomizationName": "Vdbe..main..module-0",
+      "properties": {
+        "minCountInstances": 1,
+        "maxCountInstances": 1,
+        "initialCount": 1,
+        "vfModuleLabel": "main"
+      },
+      "inputs": {
+        
+      },
+      "volumeGroupAllowed": false
+    }
+  },
+  "volumeGroups": {
+    
+  },
+  "pnfs": {
+    
+  }
+}
\ No newline at end of file