Fix incorrect Python2 version test

Author: AlexanderWells-diamond

tests/test_records.py

@@ -163,7 +163,7 @@ def record_value_asserts(
         assert type(actual_value) == expected_type
     else:
         # Python2 handles UTF-8 differently so needs extra encoding
-        if sys.version_info == (2, 7) and expected_type == str:
+        if sys.version_info < (3,) and expected_type == str:
             expected_value = expected_value.encode('utf-8')
 
         assert actual_value == expected_value