tests: remark flaky queue tests as xfail on windows

tests/func/experiments/test_apply.py

@@ -1,3 +1,5 @@
+import os
+
 import pytest
 from funcy import first
 
@@ -26,6 +28,11 @@ def test_apply(tmp_dir, scm, dvc, exp_stage):
     assert (tmp_dir / "metrics.yaml").read_text().strip() == "foo: 3"
 
 
+@pytest.mark.xfail(
+    os.name == "nt",
+    strict=False,
+    reason="https://github.com/iterative/dvc/issues/9143",
+)
 def test_apply_failed(tmp_dir, scm, dvc, failed_exp_stage, session_queue):
     from dvc.exceptions import InvalidArgumentError
 

tests/func/experiments/test_queue.py

@@ -1,3 +1,5 @@
+import os
+
 import pytest
 from funcy import first
 
@@ -35,6 +37,11 @@ def test_celery_logs(
     assert "failed to reproduce 'failed-copy-file'" in captured.out
 
 
+@pytest.mark.xfail(
+    os.name == "nt",
+    strict=False,
+    reason="https://github.com/iterative/dvc/issues/9143",
+)
 def test_queue_remove_done(
     dvc,
     exp_stage,