diff --git a/unittests/test_sync_node.py b/unittests/test_sync_node.py
index beb203062bf80bdd79522eb383ff653a1f955a95..131868dc6cdc760ba939bfed2421db1e130f12d7 100644
--- a/unittests/test_sync_node.py
+++ b/unittests/test_sync_node.py
@@ -32,13 +32,15 @@ from caoscrawler.sync_node import SyncNode, parent_in_list, property_in_list
 from test_crawler import basic_retrieve_by_name_mock_up, mock_get_entity_by
 
 
-def compare_parents(p1, p2):
+def assert_parents_equal(p1, p2):
+    """Special assertion for comparing parents."""
     for a, b in zip(p1, p2):
         assert a.id == b.id
         assert a.name == b.name
 
 
-def compare_properties(p1, p2):
+def assert_properties_equal(p1, p2):
+    """Special assertion for comparing properties."""
     for a, b in zip(p1, p2):
         assert a.id == b.id
         assert a.name == b.name
@@ -62,8 +64,8 @@ def test_sync_node():
     assert sna.role == rec.role
     assert sna.name == rec.name
     assert sna.description == rec.description
-    compare_parents(sna.parents, rec.parents)
-    compare_properties(sna.properties, rec.properties)
+    assert_parents_equal(sna.parents, rec.parents)
+    assert_properties_equal(sna.properties, rec.properties)
     # ... special case File (path and file attributes)
     fi = db.File(id=101, name='101', path='/a/')
     snb = SyncNode(fi)
@@ -79,8 +81,8 @@ def test_sync_node():
     assert export.role == rec.role
     assert export.name == rec.name
     assert export.description == rec.description
-    compare_parents(export.parents, rec.parents)
-    compare_properties(export.properties, rec.properties)
+    assert_parents_equal(export.parents, rec.parents)
+    assert_properties_equal(export.properties, rec.properties)
     export = snb.export_entity()
     assert export.role == fi.role
     assert export.name == fi.name