code: def test_config_setup_with_empty_no_file(self):
      os.remove(os.path.join(self.snapshot.home, "config.json"))
      incoming_data = {}
      final_data = {}
      self.snapshot._file_setup(incoming_data, final_data)
      self.snapshot._config_setup(incoming_data, final_data)
      assert final_data["config"] == {}
  
imports: import os
  import tempfile
  import platform
  from datmo.config import Config
  from datmo.core.controller.project import ProjectController
  from datmo.core.controller.snapshot import SnapshotController
  from datmo.core.util.exceptions import CommitDoesNotExist
label_desc: Use image node_id 13 for calling the TestSnapshotController obj's underlying member method code with example usage: obj.test_config_setup_with_empty_no_file() without return types