message: [dotest] Remove unused function
  The function `EnvArray` has no used.
diff: @@ -203,14 +203,6 @@ def SETTING_MSG(setting):
  return "Value of setting '%s' is correct" % setting
  -def EnvArray():
  - """Returns an env variable array from the os.environ map object."""
  - return list(map(lambda k,
  - v: k + "=" + v,
  - list(os.environ.keys()),
  - list(os.environ.values())))
  -
  -
  def line_number(filename, string_to_match):
  """Helper function to return the line number of the first matched string."""
  with io.open(filename, mode='r', encoding="utf-8") as f:
  