### Question:
FileSystemRealmCommand extends Command { @Override public void help() { HelpFormatter help = new HelpFormatter(); help.setWidth(WIDTH); help.printHelp(ElytronToolMessages.msg.cmdHelp(getToolCommand(), FILE_SYSTEM_REALM_COMMAND), ElytronToolMessages.msg.cmdFileSystemRealmHelpHeader().concat(ElytronToolMessages.msg.cmdLineActionsHelpHeader()), options, "", true); } FileSystemRealmCommand(); @Override void execute(String[] args); @Override void help();  }### Answer:
@Test public void testHelp() { String[] args = new String[]{"--help"}; executeCommandAndCheckStatus(args); }