fix tests

src/caosdb/apiutils.py

@@ -34,10 +34,10 @@ from collections.abc import Iterable
 from subprocess import call
 
 from caosdb.common.datatype import (BOOLEAN, DATETIME, DOUBLE, FILE, INTEGER,
-                                    REFERENCE, TEXT)
+                                    REFERENCE, TEXT, is_reference)
 from caosdb.common.models import (Container, Entity, File, Property, Query,
                                   Record, RecordType, get_config,
-                                  execute_query, is_reference)
+                                  execute_query)
 
 
 def new_record(record_type, name=None, description=None,