print which theoryids are duplicate in scalevar test

validphys2/src/validphys/tests/test_scalevariationtheoryids.py

@@ -1,5 +1,7 @@
+from collections import Counter
 import importlib.resources as resources
 
+import pytest
 from ruamel.yaml import YAML
 
 import validphys.scalevariations
@@ -15,4 +17,7 @@ def test_unique_theoryid_variations():
     with file_path.open("r") as file:
         data = yaml.load(file)
     thids = [k["theoryid"] for k in data["scale_variations_for"]]
-    assert len(thids) == len(set(thids))
+    counter = Counter(thids)
+    duplicates = [item for item, count in counter.items() if count > 1]
+    if duplicates:
+        pytest.fail(f"scalevariationtheoryids.yaml multiple entries for theoryIDs: {duplicates}")