code: def testConcurrencyGroups(self):
      def _return(ret):
          def _inner(*args, **kwargs):
              return ret
  
          return _inner
  
      test = Test(
          {
              "name": "test_1",
          }
      )
  
      def test_concurrency(cpu, gpu, group):
          with patch(
              "ray_release.buildkite.concurrency.get_test_resources",
              _return((cpu, gpu)),
          ):
              group_name, _ = get_concurrency_group(test)
              self.assertEqual(group_name, group)
  
      test_concurrency(12800, 9, "large-gpu")
      test_concurrency(12800, 8, "small-gpu")
      test_concurrency(12800, 1, "small-gpu")
      test_concurrency(12800, 0, "enormous")
      test_concurrency(1025, 0, "enormous")
      test_concurrency(1024, 0, "large")
      test_concurrency(513, 0, "large")
      test_concurrency(512, 0, "medium")
      test_concurrency(129, 0, "medium")
      test_concurrency(128, 0, "small")
      test_concurrency(9, 0, "tiny")
      test_concurrency(32, 0, "tiny")
      test_concurrency(8, 0, "minuscule")
      test_concurrency(1, 0, "minuscule")
      test_concurrency(33, 0, "small")
  
imports: import os
  import sys
  import tempfile
  import unittest
  from typing import Dict, Callable
  from unittest.mock import patch
  import yaml
  from github import Repository
  from ray_release.buildkite.concurrency import get_test_resources_from_cluster_compute, get_concurrency_group
  from ray_release.buildkite.filter import filter_tests, group_tests
  from ray_release.buildkite.settings import split_ray_repo_str, get_default_settings, update_settings_from_environment, Frequency, update_settings_from_buildkite, Priority, get_test_attr_regex_filters
  from ray_release.buildkite.step import get_step, RELEASE_QUEUE_DEFAULT, RELEASE_QUEUE_CLIENT, DOCKER_PLUGIN_KEY
  from ray_release.test import Test
  from ray_release.exception import ReleaseTestConfigError
  from ray_release.wheels import DEFAULT_BRANCH
label_desc: Use image node_id 11 for calling the BuildkiteSettingsTest obj's underlying member method code with example usage: obj.testConcurrencyGroups() and returns: _inner, ret