Minor cleanup in {autorevert,filenotify,shadowfile}-tests.el

* test/lisp/autorevert-tests.el (tramp-message-show-message):
* test/lisp/shadowfile-tests.el (tramp-message-show-message):
* test/lisp/filenotify-tests.el (tramp-message-show-message)
Do Not set.
(file-notify-test04-autorevert): Inhibit messages.

3 files changed, 26 insertions, 27 deletions

diff --git a/test/lisp/autorevert-tests.el b/test/lisp/autorevert-tests.el
index f7c5580b111..ec3e4bb77ba 100644
--- a/test/lisp/autorevert-tests.el
+++ b/test/lisp/autorevert-tests.el
@@ -59,8 +59,7 @@
       auto-revert-notify-exclude-dir-regexp "nothing-to-be-excluded"
       auto-revert-stop-on-user-input nil
       file-notify-debug nil
-      tramp-verbose 0
-      tramp-message-show-message nil)
+      tramp-verbose 0)
 
 (defconst auto-revert--timeout (1+ auto-revert-interval)
   "Time to wait for a message.")
diff --git a/test/lisp/filenotify-tests.el b/test/lisp/filenotify-tests.el
index e9dc7532d59..39156fbb5dc 100644
--- a/test/lisp/filenotify-tests.el
+++ b/test/lisp/filenotify-tests.el
@@ -200,8 +200,7 @@ Return nil when any other file notification watch is still active."
 
 (setq file-notify-debug nil
       password-cache-expiry nil
-      tramp-verbose 0
-      tramp-message-show-message nil)
+      tramp-verbose 0)
 
 ;; This should happen on hydra only.
 (when (getenv "EMACS_HYDRA_CI")
@@ -929,17 +928,18 @@ delivered."
             ;; Modify file.  We wait for a second, in order to have
             ;; another timestamp.
             (ert-with-message-capture captured-messages
-              (sleep-for 1)
-              (write-region
-               "another text" nil file-notify--test-tmpfile nil 'no-message)
-
-              ;; Check, that the buffer has been reverted.
-              (file-notify--test-wait-for-events
-               timeout
-               (string-match
-                (format-message "Reverting buffer `%s'." (buffer-name buf))
-                captured-messages))
-              (should (string-match "another text" (buffer-string))))
+              (let ((inhibit-message t))
+                (sleep-for 1)
+                (write-region
+                 "another text" nil file-notify--test-tmpfile nil 'no-message)
+
+                ;; Check, that the buffer has been reverted.
+                (file-notify--test-wait-for-events
+                 timeout
+                 (string-match
+                  (format-message "Reverting buffer `%s'." (buffer-name buf))
+                  captured-messages))
+                (should (string-match "another text" (buffer-string)))))
 
             ;; Stop file notification.  Autorevert shall still work via polling.
             (file-notify-rm-watch auto-revert-notify-watch-descriptor)
@@ -953,17 +953,18 @@ delivered."
             ;; have another timestamp.  One second seems to be too
             ;; short.  And Cygwin sporadically requires more than two.
             (ert-with-message-capture captured-messages
-              (sleep-for (if (eq system-type 'cygwin) 3 2))
-              (write-region
-               "foo bla" nil file-notify--test-tmpfile nil 'no-message)
-
-              ;; Check, that the buffer has been reverted.
-              (file-notify--test-wait-for-events
-               timeout
-               (string-match
-                (format-message "Reverting buffer `%s'." (buffer-name buf))
-                captured-messages))
-              (should (string-match "foo bla" (buffer-string))))
+              (let ((inhibit-message t))
+                (sleep-for (if (eq system-type 'cygwin) 3 2))
+                (write-region
+                 "foo bla" nil file-notify--test-tmpfile nil 'no-message)
+
+                ;; Check, that the buffer has been reverted.
+                (file-notify--test-wait-for-events
+                 timeout
+                 (string-match
+                  (format-message "Reverting buffer `%s'." (buffer-name buf))
+                  captured-messages))
+                (should (string-match "foo bla" (buffer-string)))))
 
             ;; Stop autorevert, in order to cleanup descriptor.
             (auto-revert-mode -1))
diff --git a/test/lisp/shadowfile-tests.el b/test/lisp/shadowfile-tests.el
index 650782bc53c..ed23e064743 100644
--- a/test/lisp/shadowfile-tests.el
+++ b/test/lisp/shadowfile-tests.el
@@ -70,7 +70,6 @@
 (setq password-cache-expiry nil
       shadow-debug (getenv "EMACS_HYDRA_CI")
       tramp-verbose 0
-      tramp-message-show-message nil
       ;; On macOS, `temporary-file-directory' is a symlinked directory.
       temporary-file-directory (file-truename temporary-file-directory)
       shadow-test-remote-temporary-file-directory