code: def testAcceleratorTypeApi(self):
      tpu_map = {
          "projects/test-project/locations/us-central1-c/nodes/tpu_name": {
              "ipAddress": "10.1.2.3",
              "port": "8470",
              "state": "PREEMPTED",
              "health": "HEALTHY",
              "acceleratorType": "v3-8",
              "tensorflowVersion": "nightly",
          }
      }
      c = client.Client(
          tpu="tpu_name",
          service=self.mock_service_client(tpu_map=tpu_map),
      )
      self.assertEqual("v3-8", c.accelerator_type())
  
imports: import datetime
  import json
  import os
  import time
  import urllib
  from absl import flags
  from tensorflow.python.platform import test
  from tensorflow.python.tpu.client import client
label_desc: Use image node_id 35 for calling the CloudTpuClientTest obj's underlying member method code with example usage: obj.testAcceleratorTypeApi() without return types