565 is not this important.

infra/bots/recipes/swarm_test.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 # Recipe module for Skia Swarming test.
 
 
 DEPS = [
   'build/file',
@@ skipping 45 matching lines @@
 def dm_flags(bot):
   args = []
 
   # 32-bit desktop bots tend to run out of memory, because they have relatively
   # far more cores than RAM (e.g. 32 cores, 3G RAM).  Hold them back a bit.
   if '-x86-' in bot and not 'NexusPlayer' in bot:
     args.extend('--threads 4'.split(' '))
 
   # These are the canonical configs that we would ideally run on all bots. We
   # may opt out or substitute some below for specific bots
-  configs = ['565', '8888', 'gpu', 'gpusrgb', 'pdf']
+  configs = ['8888', 'gpu', 'gpusrgb', 'pdf']
   # Add in either msaa4 or msaa16 to the canonical set of configs to run
   if 'Android' in bot or 'iOS' in bot:
     configs.append('msaa4')
   else:
     configs.append('msaa16')
 
   # With msaa, the S4 crashes and the NP produces a long error stream when we
   # run with MSAA. The Tegra2 and Tegra3 just don't support it. No record of
   # why we're not running msaa on iOS, probably started with gpu config and just
   # haven't tried.
   if ('GalaxyS4'    in bot or
       'NexusPlayer' in bot or
       'Tegra3'      in bot or
       'iOS'         in bot):
     configs = [x for x in configs if 'msaa' not in x]
 
   # Runs out of memory on Android bots and Daisy.  Everyone else seems fine.
   if 'Android' in bot or 'Daisy' in bot:
     configs.remove('pdf')
 
   if '-GCE-' in bot:
+    configs.extend(['565'])
     configs.extend(['f16', 'srgb'])              # Gamma-correct formats.
     configs.extend(['sp-8888', '2ndpic-8888'])   # Test niche uses of SkPicture.
     configs.extend(['lite-8888'])                # Experimental display list.
 
   if '-TSAN' not in bot:
     if ('TegraK1'  in bot or
         'TegraX1'  in bot or
         'GTX550Ti' in bot or
         'GTX660'   in bot or
         'GT610'    in bot):
@@ skipping 780 matching lines @@
       api.properties(
           buildername=builder,
           mastername='client.skia',
           slavename='skiabot-linux-swarm-000',
           buildnumber=5,
           path_config='kitchen',
           swarm_out_dir='[SWARM_OUT_DIR]',
           revision='abc123',
           **gerrit_kwargs)
   )