Variable: ert-quiet
ert-quiet is a variable defined in ert.el.gz.
Value
nil
Documentation
Non-nil makes ERT only print important information in batch mode.
Probably introduced at or before Emacs version 27.1.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/ert.el.gz
;;; Running tests in batch mode.
(defvar ert-quiet nil
"Non-nil makes ERT only print important information in batch mode.")