// Ensure we have a fresh copy of MV, 0 worlds.
assertEquals(0, creator.getCore().getMVWorldManager().getMVWorlds().size());
// Import the first world. The world folder does not exist.
plugin.onCommand(mockCommandSender, mockCommand, "", normalArgs);
verify(mockCommandSender).sendMessage(ChatColor.RED + "FAILED.");
verify(mockCommandSender).sendMessage("That world folder does not exist. These look like worlds to me:");
// We should still have no worlds.
assertEquals(0, creator.getCore().getMVWorldManager().getMVWorlds().size());