Disable one tab-bar-test case on macOS

The test works when run interactively and in batch mode started from
a terminal, but not from M-x compile.

* test/lisp/tab-bar-tests.el (tab-bar-tests-quit-restore-window):
Disable on macOS when TERM=dumb.

1 files changed, 3 insertions, 0 deletions

diff --git a/test/lisp/tab-bar-tests.el b/test/lisp/tab-bar-tests.el
index 257f6bd37d3..98bf61df177 100644
--- a/test/lisp/tab-bar-tests.el
+++ b/test/lisp/tab-bar-tests.el
@@ -56,6 +56,9 @@
                ;; Skip test on MS-Windows in batch mode, since terminal
                ;; frames cannot be created in that case.
                ('windows-nt noninteractive)
+               ;; This test is unreliable on macOS when run in batch mode
+               ;; from Emacs (M-x compile).
+               ('darwin (equal (getenv "TERM") "dumb"))
                ;; Emba runs the container without "--tty"
                ;; (the environment variable "TERM" is nil), and this
                ;; test fails with '(error "Could not open file: /dev/tty")'.