void cmd_alias_add_shows_usage_when_no_args(void** state);
void cmd_alias_add_shows_usage_when_no_value(void** state);
void cmd_alias_remove_shows_usage_when_no_args(void** state);
void cmd_alias_show_usage_when_invalid_subcmd(void** state);
void cmd_alias_add_adds_alias(void** state);
void cmd_alias_add_shows_message_when_exists(void** state);
void cmd_alias_remove_removes_alias(void** state);
void cmd_alias_remove_shows_message_when_no_alias(void** state);
void cmd_alias_list_shows_all_aliases(void** state);