rename function

tests/test_empty_text_value.py

@@ -39,7 +39,7 @@ def teardown():
 
 
 @with_setup(setup, teardown)
-def test_deletion():
+def test_empty_string():
     r = db.Record()
     r.add_parent("TestRec")
     r.add_property("testProp", value="leer")