added time field test

Author: pizzapanther

graphene_django/tests/test_converter.py

@@ -5,7 +5,7 @@
 
 import graphene
 from graphene.relay import ConnectionField, Node
-from graphene.types.datetime import DateTime
+from graphene.types.datetime import DateTime, Time
 from graphene.types.json import JSONString
 
 from ..compat import (ArrayField, HStoreField, JSONField, MissingType,
@@ -44,6 +44,10 @@ def test_should_date_convert_string():
     assert_conversion(models.DateField, DateTime)
 
 
+def test_should_time_convert_string():
+    assert_conversion(models.TimeField, Time)
+
+
 def test_should_char_convert_string():
     assert_conversion(models.CharField, graphene.String)