class_docstr: Base tests for `ExperimentIdMiddleware`.
class_docstr_tok: ["Base","tests","for","`","ExperimentIdMiddleware","`","."]
code: def test_with_empty_experiment_root_path(self):
      response = self.server.get("/experiment//")
      self._assert_ok(response, eid="", path="/", script="/experiment/")
  
imports: import json
  import werkzeug
  from werkzeug import test
  from tensorboard import test
  from tensorboard.backend import experiment_id
label_desc: Use image node_id 12 for calling the BaseTest obj's underlying member method code with example usage: obj.test_with_empty_experiment_root_path() without return types