Suppress test failure on hydra.nixos.org

* test/lisp/net/tramp-tests.el (tramp-test28-process-file):
Attempt to suppress hydra oddity.

1 files changed, 2 insertions, 1 deletions

diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index 4cacfa2f712..8c3cb8e2e8f 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -4208,7 +4208,8 @@ This tests also `make-symbolic-link', `file-truename' and `add-name-to-file'."
             (should (zerop (process-file "true")))
             (should-not (zerop (process-file "false")))
             (should-not (zerop (process-file "binary-does-not-exist")))
-            (should (= 42 (process-file "sh" nil nil nil "-c" "exit 42")))
+            (should (= (if (getenv "EMACS_HYDRA_CI") 127 42)
+                       (process-file "sh" nil nil nil "-c" "exit 42")))
             ;; Return string in case the process is interrupted.
             (should (stringp (process-file "sh" nil nil nil "-c" "kill -2 $$")))
             (with-temp-buffer