public List<String> enumerateChm() {
        List<String> listOfEntries = new ArrayList<>();
        for (DirectoryListingEntry directoryListingEntry : getChmDirList()
                .getDirectoryListingEntryList()) {
            listOfEntries.add(directoryListingEntry.getName());
        }
        return listOfEntries;
    }
@Test
    public void testEnumerateChm() {
        List<String> chmEntries = chmExtractor.enumerateChm();
        assertEquals(TestParameters.VP_CHM_ENTITIES_NUMBER, chmEntries.size());
    }