Adapt Tramp test

* test/lisp/net/tramp-tests.el (tramp-test33-environment-variables):
Adapt test.

1 files changed, 3 insertions, 1 deletions

diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index 51980e335e7..16afc0f477a 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -6073,7 +6073,9 @@ INPUT, if non-nil, is a string sent to the process."
         ;; Unset the variable.
         (let ((tramp-remote-process-environment
                (cons (concat envvar "=foo") tramp-remote-process-environment)))
-          ;; Set the initial value, we want to unset below.
+          ;; Refill the cache; we don't want to run into timeouts.
+          (file-truename default-directory)
+          ;; Check the initial value, we want to unset below.
           (should
            (string-match-p
             "foo"