diff --git a/tools/import-normalizer/tests/test_normalize.py b/tools/import-normalizer/tests/test_normalize.py
index d32cee90..74eb0366 100644
--- a/tools/import-normalizer/tests/test_normalize.py
+++ b/tools/import-normalizer/tests/test_normalize.py
@@ -38,11 +38,11 @@ def test_run_end_to_end(tmp_path):
     assert stats["skipped_x_suffix"] == 1
     assert stats["blank_index_rows"] == 1
     assert stats["duplicate_index_rows"] == 2
+    assert stats["unresolved_unknown"] >= 1   # the "?" receiver is an UNKNOWN-class name
     assert (review_dir / "skipped-x-suffix.csv").exists()
     assert (review_dir / "unparsed-dates.csv").exists()
     # C-0001's "Freitag 1919" is unparseable -> must appear in the review file (NFR-DATA-01)
     assert "Freitag 1919" in (review_dir / "unparsed-dates.csv").read_text(encoding="utf-8")
-    assert (out_dir / "canonical-documents.xlsx").exists()  # (keep existing asserts above)
     assert (review_dir / "unresolved-names.csv").exists()
     unresolved_text = (review_dir / "unresolved-names.csv").read_text(encoding="utf-8")
     assert "unknown" in unresolved_text and "?" in unresolved_text   # the "?" receiver