code: def test_static_dir(self):
      html = """<html><body>THIS IS A STATIC SITE</body></html>"""
      jpg = """something about a jpg"""
  
      with open(os.path.join(self.TEST_DIR, "index.html"), "w") as f:
          f.write(html)
  
      with open(os.path.join(self.TEST_DIR, "jpg.txt"), "w") as f:
          f.write(jpg)
  
      app = make_app(
          predictor=self.bidaf_predictor, static_dir=self.TEST_DIR
      )
      app.testing = True
      client = app.test_client()
  
      response = client.get("/")
      data = response.get_data().decode("utf-8")
      assert data == html
  
      response = client.get("jpg.txt")
      data = response.get_data().decode("utf-8")
      assert data == jpg
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  import json
  import os
  import flask
  import flask.testing
  from allennlp.common.util import JsonDict
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.models.archival import load_archive
  from allennlp.predictors import Predictor
  from allennlp.service.server_simple import make_app
  from io import open
label_desc: Use image node_id 5 for calling the TestSimpleServer obj's underlying member method code with example usage: obj.test_static_dir() without return types