class_docstr: Tests that the basic chrome is displayed when there is no data.
code: def testLogdirDisplays(self):
      self.wait.until(
          expected_conditions.text_to_be_present_in_element(
              (by.By.ID, "data_location"), self.logdir
          )
      )
  
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 7 for calling the BasicTest obj's underlying member method code with example usage: obj.testLogdirDisplays() without return types