master a2792ad: Suppress test failure on hydra.nixos.org

[Glenn Morris]

branch: master
commit a2792ad54c310fdfabc8a9a8cf5bdf6c98a8ed20
Author: Glenn Morris <address@hidden>
Commit: Glenn Morris <address@hidden>

    Suppress test failure on hydra.nixos.org
    
    * test/lisp/net/tramp-tests.el (tramp-test28-process-file):
    Attempt to suppress hydra oddity.
---
 test/lisp/net/tramp-tests.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index 4cacfa2..8c3cb8e 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