old_contents: from collections import OrderedDict
  from unittest import TestCase
  
  from graphql.type.definition import GraphQLField, GraphQLObjectType
  from graphql.type.scalars import GraphQLString
  
  from polygraph.types.definitions import PolygraphNonNull
  from polygraph.types.fields import String
  from polygraph.types.object_type import ObjectType
  from polygraph.types.tests.helpers import graphql_objects_equal
  
  
  class HelloWorldObject(ObjectType):
      """
      This is a test object
      """
      first = String(description="First violin", nullable=True)
      second = String(description="Second fiddle", nullable=False)
      third = String(deprecation_reason="Third is dead")
  
  
  class ObjectTypeTest(TestCase):
      def test_simple_object_type(self):
          hello_world = HelloWorldObject()
          expected = GraphQLObjectType(
              name="HelloWorldObject",
              description="This is a test object",
              fields=OrderedDict({
                  "first": GraphQLField(GraphQLString, None, None, None, "First violin"),
                  "second": GraphQLField(
                      PolygraphNonNull(GraphQLString), None, None, None, "Second fiddle"),
                  "third": GraphQLField(
                      PolygraphNonNull(GraphQLString), None, None, "Third is dead", None),
              })
          )
          actual = hello_world.build_definition()
          self.assertTrue(graphql_objects_equal(expected, actual))
  
new_contents: from collections import OrderedDict
  from unittest import TestCase
  
  from graphql.type.definition import GraphQLField, GraphQLObjectType
  from graphql.type.scalars import GraphQLString
  
  from polygraph.types.definitions import PolygraphNonNull
  from polygraph.types.fields import String, Int
  from polygraph.types.object_type import ObjectType
  from polygraph.types.tests.helpers import graphql_objects_equal
  
  
  class ObjectTypeTest(TestCase):
      def test_simple_object_type(self):
          class HelloWorldObject(ObjectType):
              """
              This is a test object
              """
              first = String(description="First violin", nullable=True)
              second = String(description="Second fiddle", nullable=False)
              third = String(deprecation_reason="Third is dead")
  
          hello_world = HelloWorldObject()
          expected = GraphQLObjectType(
              name="HelloWorldObject",
              description="This is a test object",
              fields=OrderedDict({
                  "first": GraphQLField(GraphQLString, None, None, None, "First violin"),
                  "second": GraphQLField(
                      PolygraphNonNull(GraphQLString), None, None, None, "Second fiddle"),
                  "third": GraphQLField(
                      PolygraphNonNull(GraphQLString), None, None, "Third is dead", None),
              })
          )
          actual = hello_world.build_definition()
          self.assertTrue(graphql_objects_equal(expected, actual))
  
      def test_object_type_meta(self):
          class MetaObject(ObjectType):
              """
              This docstring is _not_ the description
              """
              count = Int()
  
              class Meta:
                  name = "Meta"
                  description = "Actual meta description is here"
  
          meta = MetaObject()
          self.assertEqual(meta.description, "Actual meta description is here")
          self.assertEqual(meta.name, "Meta")
  
subject: Add tests around ObjectType Meta