1 files changed, 28 insertions, 0 deletions
diff --git a/tests/test_builders/conftest.py b/tests/test_builders/conftest.py
new file mode 100644
index 0000000..1203d5d
--- /dev/null
+++ b/tests/test_builders/conftest.py
@@ -0,0 +1,28 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import pytest
+
+from sphinx.testing.util import etree_parse
+
+if TYPE_CHECKING:
+    from collections.abc import Callable, Iterator
+    from pathlib import Path
+    from xml.etree.ElementTree import ElementTree
+
+_etree_cache: dict[Path, ElementTree] = {}
+
+
+def _parse(path: Path) -> ElementTree:
+    if path in _etree_cache:
+        return _etree_cache[path]
+
+    _etree_cache[path] = tree = etree_parse(path)
+    return tree
+
+
+@pytest.fixture(scope='package')
+def cached_etree_parse() -> Iterator[Callable[[Path], ElementTree]]:
+    yield _parse
+    _etree_cache.clear()