[COMMITTED 2/3] iotests: fix copy-before-write for macOS and FreeBSD

[Richard Henderson]

From: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>

strerror() represents ETIMEDOUT a bit different in Linux and macOS /
FreeBSD. Let's support the latter too.

Fixes: 9d05a87b77 ("iotests: copy-before-write: add cases for cbw-timeout 
option")
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220705153708.186418-1-vsementsov@yandex-team.ru>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tests/qemu-iotests/tests/copy-before-write | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/qemu-iotests/tests/copy-before-write 
b/tests/qemu-iotests/tests/copy-before-write
index 16efebbf8f..56937b9dff 100755
--- a/tests/qemu-iotests/tests/copy-before-write
+++ b/tests/qemu-iotests/tests/copy-before-write
@@ -192,6 +192,11 @@ read 1048576/1048576 bytes at offset 0
 
     def test_timeout_break_guest(self):
         log = self.do_cbw_timeout('break-guest-write')
+        # macOS and FreeBSD tend to represent ETIMEDOUT as
+        # "Operation timed out", when Linux prefer
+        # "Connection timed out"
+        log = log.replace('Operation timed out',
+                          'Connection timed out')
         self.assertEqual(log, """\
 wrote 524288/524288 bytes at offset 0
 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-- 
2.34.1