diff --git a/src/app/vnfs/build-artifacts/reference-dataform/reference-dataform.util.spec.ts b/src/app/vnfs/build-artifacts/reference-dataform/reference-dataform.util.spec.ts
index d18ee0b..aa7fbfa 100644
--- a/src/app/vnfs/build-artifacts/reference-dataform/reference-dataform.util.spec.ts
+++ b/src/app/vnfs/build-artifacts/reference-dataform/reference-dataform.util.spec.ts
@@ -63,4 +63,12 @@
         expect(spy).toHaveBeenCalled();
         expect(returnValue).toBe(true);
     }));
+
+
+    it('should test nullCheckForVnfcType and nullCheckForVnfcTypeList function', inject([ReferenceDataFormUtil], (service: ReferenceDataFormUtil) => {
+        let returnValueVnfcType = service.nullCheckForVnfcType(false);
+        let returnValueVnfcTypeList = service.nullCheckForVnfcTypeList('null');
+        expect(returnValueVnfcType).toBe(true);
+        expect(returnValueVnfcTypeList).toBe(true);
+    }));
 });