prompt: Your task is to convert the following English description into an ASCII tree format.
  
  testing is a master directory that assembles 3 subdirectories: failure, junit and testng.
  In the root directory, 'failure' shelters 1 folders: mappers.
  At level 2, in directory path 'failure → mappers', The 'mappers' directory lacks any subdirectories.
  In the root directory, Inside 'junit', you'll find it is blank.
  In the root directory, Inside 'testng', you'll find it has yet to be populated.
  
  
  Format your response in this style:
  ```
  tests
   +--helpers
   |   `--browser
   +--regression
   |   `--libs
   +--test262
   |   `--test262
   `--unit
       `--fixtures
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "testing\n +--failure\n |   `--mappers\n +--junit\n `--testng", "description": "testing is a master directory that assembles 3 subdirectories: failure, junit and testng.\nIn the root directory, 'failure' shelters 1 folders: mappers.\nAt level 2, in directory path 'failure \u2192 mappers', The 'mappers' directory lacks any subdirectories.\nIn the root directory, Inside 'junit', you'll find it is blank.\nIn the root directory, Inside 'testng', you'll find it has yet to be populated.\n"}