ElemTree.SubElement(properties, 'property',
                          name='description',
                          value=success_msg)
      if command:
        ElemTree.SubElement(properties, 'property',
                            name='bazel_command',
                            value=command)

    suite_specific = {'tests': str(len(result_store_dict)),
                      'errors': str(error_count),

  ask for user input. If no input is provided, the default is used.

  Args:
    environ_cp: copy of the os.environ.
    var_name: string for name of environment variable, e.g. "TF_NEED_CUDA".
    ask_for_var: string for how to ask for user input.
    var_default: default value string.

  Returns:
    string value for var_name
  """