F h5 cfood

https://gitlab.com/caosdb/caosdb-advanced-user-tools/-/merge_requests/78

unittests/test_structure_mapping.py

@@ -122,7 +122,7 @@ class structureMappingTest(unittest.TestCase):
         self.assertEqual(len(recd2.get_properties()), 2)  # number of properties stay unchanged
 
         for prop_record, prop_em in zip(recc2.get_properties(), recd2.get_properties()):
-            self.assertTrue(prop_record is emap2.to_existing[prop_em._cuid])
+            self.assertTrue(prop_record.value is emap2.to_existing[prop_em.value._cuid])
 
         # Test target structure
         self.assertEqual(len(recc3.get_properties()), 2)  # number of properties stay unchanged