new_contents: """
  Tests of polymorphic behaviours
  """
  import odin
  from odin.resources import create_resource_from_dict
  
  
  class AbstractResource(odin.Resource):
      class Meta:
          abstract = True
          namespace = "au.com.example.abstracts"
          type_field = "type"
  
  
  class ResourceA(AbstractResource):
      class Meta:
          type_field = "type"
  
  
  class ResourceB(AbstractResource):
      pass
  
  
  def test_resolve_resource_using_full_type_field():
      actual = create_resource_from_dict(
          {"type": "au.com.example.abstracts.ResourceA"},
          AbstractResource,
          full_clean=False,
      )
  
      assert isinstance(actual, ResourceA)
  
  
  def test_resolve_resource_using_partial_type_field():
      actual = create_resource_from_dict(
          {"type": "ResourceB"},
          AbstractResource,
          full_clean=False,
      )
  
      assert isinstance(actual, ResourceB)
  
subject: Add tests for polymorphic types