code: def test_get_set_firebase_bad(self):
      # smoke test to make sure access to a database at wrong
      # url is reported, but does not crash the system
      with self.get_provider("test_bad_config.yaml") as fb:
          response = fb._get("test/hello")
          self.assertTrue(response is None)
  
          fb._set("test/hello", "bla")
  
imports: import unittest
  import inspect
  import yaml
  import uuid
  import os
  import time
  import six
  import shutil
  from studio import model
  from studio.firebase_provider import FirebaseProvider
  from studio.postgres_provider import PostgresProvider
  from studio.db_providers.s3_provider import S3Provider
  from studio.auth import remove_all_keys
  from studio.extra_util import has_aws_credentials
  from env_detect import on_gcp, on_aws
  from model_test import get_test_experiment
label_desc: Use image node_id 3 for calling the FirebaseProviderTest obj's underlying member method code with example usage: obj.test_get_set_firebase_bad() without return types