      urls = 'rest_framework.tests.hyperlinkedserializers'
  
      def setUp(self):
          """
          Create 3 BasicModel intances.
          """
          items = ['foo', 'bar', 'baz']
          for item in items:
              BasicModel(text=item).save()
          self.objects = BasicModel.objects
 
</s> remove         Create 1 OptionalRelationModel intances.
 </s> add         Create 1 OptionalRelationModel instances. </s> remove         Create 3 BasicModel intances.
 </s> add         Create 3 BasicModel instances.
        Create 3 BasicModel instances.
      urls = 'rest_framework.tests.hyperlinkedserializers'
  
      def setUp(self):
          """
        Create 3 BasicModel instances.
          """
          items = ['foo', 'bar', 'baz']
          for item in items:
              BasicModel(text=item).save()
          self.objects = BasicModel.objects
keep keep keep keep replace keep keep keep keep keep
 Fixed misspelled remarks in comments. 
rest_framework/tests/hyperlinkedserializers.py