class_docstr: AutoscalingCluster modified to used the above MockFakeProvider.
class_docstr_tok: ["AutoscalingCluster","modified","to","used","the","above","MockFakeProvider","."]
code: def _generate_config(self, head_resources, worker_node_types):
      config = super()._generate_config(
          head_resources, worker_node_types
      )
      config["provider"]["type"] = "external"
      config["provider"][
          "module"
      ] = "ray.tests.test_autoscaler_drain_node_api.MockFakeProvider"
      return config
  
file_path: ray/python/ray/tests/test_autoscaler_drain_node_api.py
imports: import logging
  import platform
  import time
  import pytest
  import ray
  import ray._private.ray_constants
  from ray._private.test_utils import get_error_message, init_error_pubsub, wait_for_condition
  from ray.autoscaler._private.fake_multi_node.node_provider import FakeMultiNodeProvider
  from ray.cluster_utils import AutoscalingCluster
label_desc: Use image node_id 1 for calling the MockAutoscalingCluster obj's underlying member method code with example usage: obj._generate_config(head_resources, worker_node_types) and returns: config