revert change

unittests/test_tool.py

@@ -284,15 +284,11 @@ def test_crawler_update_list(crawler, ident):
     assert len(comp[0]["properties"]) == 0
     assert len(comp[1]["properties"]) == 0
 
-    insl, updl = crawler.split_into_inserts_and_updates(crawler.updateList)
+
+def test_synchronization(crawler, ident):
+    insl, updl = crawler.synchronize(commit_changes=False)
 
     assert len(insl) == 0
-    assert len(updl) == 18
-    identified_records = [crawler.identifiableAdapter.retrieve_identifiable(record) for record
-                          in updl]
-    for el in updl:
-        crawler.replace_entities_by_ids(el)
-    Crawler.remove_unnecessary_updates(updl, identified_records)
     assert len(updl) == 0