class_docstr: Tests that the basic chrome is displayed when there is no data.
code: def setUp(self):
      self.driver = webtest.new_webdriver_session()
      self.driver.get("http://localhost:%s" % self.port)
      self.wait = wait.WebDriverWait(self.driver, 10)
  
imports: import collections
  import os
  import subprocess
  import unittest
  import tempfile
  from selenium.webdriver.common import by
  from selenium.webdriver.support import expected_conditions
  from selenium.webdriver.support import wait
  from testing.web import webtest
  from tensorboard.plugins.scalar import scalars_demo
  from tensorboard.plugins.audio import audio_demo
label_desc: Use image node_id 4 for calling the BasicTest obj's underlying member method code with example usage: obj.setUp() without return types