class_docstr: Dialog box for prompting test discovery settings
class_docstr_tok: ["Dialog","box","for","prompting","test","discovery","settings"]
code: def selectDirClicked(self, master):
      dir_path = filedialog.askdirectory(parent=master)
      if dir_path:
          self.dirVar.set(dir_path)
  
imports: import sys
  import traceback
  import unittest
  import tkinter
  from tkinter import messagebox
  from tkinter import filedialog
  from tkinter import simpledialog
label_desc: Use image node_id 3 for calling the DiscoverSettingsDialog obj's underlying member method code with example usage: obj.selectDirClicked(master) without return types