code: def setUp(self):
      self.model_id = "openlm-research/open_llama_3b_v2"
      self.model = FlaxLlamaForCausalLM.from_pretrained(
          self.model_id, from_pt=True
      )
      self.test_batch = jnp.arange(32).reshape(4, 8) + 1911
  
imports: import unittest
  import numpy
  from transformers import LlamaConfig, is_flax_available, is_tokenizers_available
  from transformers.testing_utils import require_flax, slow
  from ...generation.test_flax_utils import FlaxGenerationTesterMixin
  from ...test_modeling_flax_common import FlaxModelTesterMixin, ids_tensor
label_desc: Use image node_id 1 for calling the FlaxLlamaIntegrationTest obj's underlying member method code with example usage: obj.setUp() without return types