The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/third_party/autotest/+/773d63af11cd64aa546ac044c84eb7e05fa8d5d2

commit 773d63af11cd64aa546ac044c84eb7e05fa8d5d2
Author: Xiaochu Liu <xiaochu@chromium.org>
Date: Mon Aug 14 21:57:28 2017

autotest:test CUPS printing stack

This test adds a printer using generic ppd and then print a page and
verify its correctness. After this CL:

platform_AddPrinter: test cups by exercising generic postscript ppd.
platform_AddPrinter.epson: test cups&component download by exercising
generic postscript ppd.

BUG= chromium:740226 
TEST=test_that -b <board> <IP> platform_AddPrinter

Change-Id: I13fad77eec16ae44bf3f24cfd685b264d76559ca
Reviewed-on: https://chromium-review.googlesource.com/563492
Commit-Ready: Xiaochu Liu <xiaochu@chromium.org>
Tested-by: Xiaochu Liu <xiaochu@chromium.org>
Reviewed-by: Sean Kau <skau@chromium.org>

[add] https://crrev.com/773d63af11cd64aa546ac044c84eb7e05fa8d5d2/client/site_tests/platform_AddPrinter/golden_printing_request_generic.bin
[add] https://crrev.com/773d63af11cd64aa546ac044c84eb7e05fa8d5d2/client/site_tests/platform_AddPrinter/control.generic
[rename] https://crrev.com/773d63af11cd64aa546ac044c84eb7e05fa8d5d2/client/site_tests/platform_AddPrinter/golden_printing_request_epson.bin
[modify] https://crrev.com/773d63af11cd64aa546ac044c84eb7e05fa8d5d2/client/site_tests/platform_AddPrinter/platform_AddPrinter.py
[rename] https://crrev.com/773d63af11cd64aa546ac044c84eb7e05fa8d5d2/client/site_tests/platform_AddPrinter/control.epson