code: def testGetAlertsWithNonexistentTypeFilterWhenAlertsExist(self):
      _generate_tfdbg_v2_data(
          self.logdir,
          tensor_debug_mode="CURT_HEALTH",
          logarithm_times=4,
      )
      run = self._getExactlyOneRun()
  
      response = self.server.get(
          _ROUTE_PREFIX
          + "/alerts?alert_type=NonexistentAlert&run=%s&begin=0&end=-1"
          % run
      )
  
      self.assertEqual(response.status_code, 400)
      self.assertEqual(
          "application/json", response.headers.get("content-type")
      )
      self.assertEqual(
          json.loads(response.get_data()),
          {
              "error": "Invalid argument: "
              "Filtering of alerts failed: alert type NonexistentAlert "
              "does not exist"
          },
      )
  
imports: import collections
  import json
  import os
  import socket
  import threading
  import tensorflow
  from werkzeug import test
  from werkzeug import wrappers
  from tensorboard.backend import application
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.debugger_v2 import debug_data_multiplexer
  from tensorboard.plugins.debugger_v2 import debugger_v2_plugin
label_desc: Use image node_id 17 for calling the DebuggerV2PluginTest obj's underlying member method code with example usage: obj.testGetAlertsWithNonexistentTypeFilterWhenAlertsExist() without return types