On Windows, scripts on the current directory take precedence over PATH.
When pylint.bat calls vpython, it executes the vpython of the depot_tools
under test instead of the one in the bot.
As a workaround, run the tests from the parent directory instead.

Change-Id: I7fa3f5b268df516194063ff39907ada18f7ef544
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1994216Reviewed-by: Anthony Polito <apolito@google.com>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>