code: def create_batch_test_data(self, batch_shape=torch.Size([3])):
      raise NotImplementedError()
  
imports: from abc import abstractmethod
  import torch
  import gpytorch
label_desc: Use image node_id 4 for calling the BaseModelTestCase obj's underlying member method code with example usage: obj.create_batch_test_data(batch_shape) without return types