try to fix test with new rich

Author: skshetry

tests/func/utils/test_strict_yaml.py

@@ -323,12 +323,16 @@ def force_posixpath(mocker):
 
 
 @pytest.fixture
-def fixed_width_term(mocker):
+def fixed_width_term(mocker, monkeypatch):
     """Fixed width console."""
     from rich.console import Console
 
+    from dvc.ui import ui
+
+    width = 80 + ui.rich_console.legacy_windows
+
     mocker.patch.object(
-        Console, "width", new_callable=mocker.PropertyMock(return_value=80)
+        Console, "width", new_callable=mocker.PropertyMock(return_value=width)
     )