module ActiveModel::Serializer::Lint::Tests

It is not required unless caching is enabled.
It is used by the serializer to identify the object's type.
model_name returns an ActiveModel::Name instance.

Fails otherwise.
is in an instance of +ActiveModel::Name+.
Passes if the object's class responds to model_name and if it

def test_model_name
  resource_class = resource.class
  assert_respond_to resource_class, :model_name
  assert_instance_of resource_class.model_name, ActiveModel::Name
end