also allow macOS to fail the long chain test

It seems this test can also fail in CI on macOS.

Gitlab: #1710, #1720

diff --git a/tests/regression_tests/large/test_large_graphs.py b/tests/regression_tests/large/test_large_graphs.py
index 3577ee1a9c92803d10530861ce1b714959a7cbee..d0dbeb99524a746b4a97d8343786d40e696d31cb 100644 (file)
--- a/tests/regression_tests/large/test_large_graphs.py
+++ b/tests/regression_tests/large/test_large_graphs.py
@@ -12,7 +12,7 @@ import pytest
 sys.path.append(os.path.join(os.path.dirname(__file__), "../../../tests"))
 from gvtest import dot #pylint: disable=wrong-import-position
 
-@pytest.mark.xfail(platform.system() == "Windows",
+@pytest.mark.xfail(platform.system() in ("Darwin", "Windows"),
                    reason="https://gitlab.com/graphviz/graphviz/-/issues/1710")
 def test_long_chain():
   """