* test/lisp/autorevert-tests.el: Mark all tests as unstable on
Cygwin (bug#49665).
(auto-revert--deftest-remote auto-revert-test07-auto-revert-several-buffers
"Check autorevert for several buffers visiting the same remote file.")
+;; Mark all tests as unstable on Cygwin (bug#49665).
+(when (eq system-type 'cygwin)
+ (dolist (test (apropos-internal "^auto-revert" #'ert-test-boundp))
+ (setf (ert-test-tags (ert-get-test test))
+ (cons :unstable (ert-test-tags (ert-get-test test))))))
+
(defun auto-revert-test-all (&optional interactive)
"Run all tests for \\[auto-revert]."
(interactive "p")