@Test
public void testEmptyConfig() throws Exception {

    MetadataKey metadataKey = new MetadataKey("commandDescription", ITEM_NAME);
    // Map<String, Object> metadataConfig = new HashMap<>();
    Metadata metadata = new Metadata(metadataKey, "N/A", null);
    metadataRegistry.added(managedProvider, metadata);
    CommandDescription commandDescription = commandDescriptionProvider.getCommandDescription(ITEM_NAME, null);
    assertNull(commandDescription);
}