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)

tests/node_tests/mask_threshold.py

@@ -14,7 +14,7 @@ def test_threshold_mask():
     ThresholdMask._broadcast_fn = lambda nid, uri: previews.append(uri)
     ThresholdMask._current_node_id = "test"
 
-    mask, = node.process(field, method="absolute", threshold=0.5, direction="above")
+    mask, table = node.process(field, method="absolute", threshold=0.5, direction="above")
     assert mask.dtype == np.uint8
     assert mask.shape == (64, 64)
     assert np.all(mask[:, :32] == 0)