code: def test_init():
      serverless_inference_config = ServerlessInferenceConfig()
  
      assert (
          serverless_inference_config.memory_size_in_mb
          == DEFAULT_MEMORY_SIZE_IN_MB
      )
      assert (
          serverless_inference_config.max_concurrency
          == DEFAULT_MAX_CONCURRENCY
      )
  
      serverless_provisioned_concurrency_inference_config = (
          ServerlessInferenceConfig(
              provisioned_concurrency=DEFAULT_PROVISIONED_CONCURRENCY
          )
      )
  
      assert (
          serverless_provisioned_concurrency_inference_config.memory_size_in_mb
          == DEFAULT_MEMORY_SIZE_IN_MB
      )
      assert (
          serverless_provisioned_concurrency_inference_config.max_concurrency
          == DEFAULT_MAX_CONCURRENCY
      )
      assert (
          serverless_provisioned_concurrency_inference_config.provisioned_concurrency
          == DEFAULT_PROVISIONED_CONCURRENCY
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_init() without return types