fix tests

tests/node_tests/conftest.py

@@ -0,0 +1,19 @@
+from pathlib import Path
+import pytest
+
+_DIR = Path(__file__).parent
+
+
+def pytest_collect_file(parent, file_path):
+    """Collect all non-private .py files in this directory as test modules.
+
+    Allows test files to be named after their source module (e.g. acf_2d.py)
+    rather than requiring a test_ prefix.
+    """
+    if (
+        file_path.parent == _DIR
+        and file_path.suffix == ".py"
+        and not file_path.name.startswith("_")
+        and file_path.name != "conftest.py"
+    ):
+        return pytest.Module.from_parent(parent, path=file_path)