### Question:
ASDCNotificationLogging { public static String dumpVfModuleMetaDataList(List<IVfModuleData> moduleMetaDataList) { if (moduleMetaDataList == null) { return null; } StringBuilder buffer = new StringBuilder("VfModuleMetaData List:"); buffer.append(System.lineSeparator()); buffer.append("{"); for (IVfModuleData moduleMetaData : moduleMetaDataList) { buffer.append(System.lineSeparator()); buffer.append(testNull(dumpVfModuleMetaData(moduleMetaData))); buffer.append(System.lineSeparator()); buffer.append(","); } buffer.replace(buffer.length() - 1, buffer.length(), System.lineSeparator()); buffer.append("}"); buffer.append(System.lineSeparator()); return buffer.toString(); }  static String dumpASDCNotification(INotificationData asdcNotification); static String dumpCSARNotification(INotificationData asdcNotification,
            ToscaResourceStructure toscaResourceStructure); static String dumpVfModuleMetaDataList(List<IVfModuleData> moduleMetaDataList);  }### Answer:
@Test public void dumpVfModuleMetaDataListTest() { INotificationData asdcNotification = iNotificationDataObject(); List<IVfModuleData> list = new ArrayList<>(); list.add(new VfModuleMetaData()); String result = null; try { result = ASDCNotificationLogging.dumpVfModuleMetaDataList(list); } catch (Exception e) { } assertTrue(result == null); }