Disable swiftshader_unittests on some non-swarming GPU FYI mac bots

content/test/gpu/generate_buildbot_json.py

 #!/usr/bin/env python
 # 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.
 
 """Script to generate chromium.gpu.json and chromium.gpu.fyi.json in
 the src/testing/buildbot directory. Maintaining these files by hand is
 too unwieldy.
 """
 
@@ skipping 1429 matching lines @@
       {
         # Run this on the FYI waterfall and optional tryservers.
         'predicate': Predicates.FYI_AND_OPTIONAL,
         'os_types': ['win', 'linux', 'mac'],
       },
     ],
     'disabled_tester_configs': [
       {
         'names': [
           'Linux ChromiumOS Ozone (Intel)',
+          'Mac Experimental Retina Release (AMD)',
+          'Mac Experimental Retina Release (NVIDIA)',
+          'Mac Pro Release (AMD)',
         ],
       },
     ],
   },
   'tab_capture_end2end_tests': {
     'tester_configs': [
       {
         'build_configs': ['Release', 'Release_x64'],
         'disabled_instrumentation_types': ['tsan'],
       }
@@ skipping 880 matching lines @@
   install_parent_links(WATERFALL)
   install_parent_links(V8_FYI_WATERFALL)
 
   generate_all_tests(FYI_WATERFALL, 'chromium.gpu.fyi.json')
   generate_all_tests(WATERFALL, 'chromium.gpu.json')
   generate_all_tests(V8_FYI_WATERFALL, 'client.v8.fyi.json')
   return 0
 
 if __name__ == "__main__":
   sys.exit(main())