Fix subtle bug in auto-revert-tests.el

* test/automated/auto-revert-tests.el
(auto-revert-test02-auto-revert-mode-dired): Narrow *Messages*
buffer where it belongs to.  (Bug#21668)

1 files changed, 2 insertions, 2 deletions

diff --git a/test/automated/auto-revert-tests.el b/test/automated/auto-revert-tests.el
index 86184d613fc..7cabc5c3e66 100644
--- a/test/automated/auto-revert-tests.el
+++ b/test/automated/auto-revert-tests.el
@@ -136,8 +136,6 @@
          buf)
     (unwind-protect
         (progn
-          (with-current-buffer (get-buffer-create "*Messages*")
-            (narrow-to-region (point-max) (point-max)))
           (setq buf (dired-noselect temporary-file-directory))
           (with-current-buffer buf
             ;; `buffer-stale--default-function' checks for
@@ -151,6 +149,8 @@
 
             ;; Delete file.  We wait for a second, in order to have
             ;; another timestamp.
+            (with-current-buffer (get-buffer-create "*Messages*")
+              (narrow-to-region (point-max) (point-max)))
             (sleep-for 1)
             (delete-file tmpfile)