@hundreds-father-404: so, given what @early-needle-54791 landed yesterday, if you want to use only remoting, you'll need to disable speculation

That worked:

./pants --pants-config-files=pants.remote.ini --no-v1 --v2 --remote-oauth-bearer-token-path=<(gcloud auth application-default print-access-token | perl -p -e 'chomp if eof') --process-execution-speculation-strategy=none test tests/python/pants_test/backend/python/subsystems:python_setup

21:11:45 [INFO] Starting tests: tests/python/pants_test/backend/python/subsystems:python_setup
21:11:59 [INFO] Tests failed: tests/python/pants_test/backend/python/subsystems:python_setup
tests/python/pants_test/backend/python/subsystems:python_setup stdout:
============================= test session starts ==============================
platform linux -- Python 3.7.3, pytest-3.6.4, py-1.8.0, pluggy-0.7.1
rootdir: /b/f/w, inifile:
plugins: cov-2.4.0, timeout-1.2.1
collected 4 items

pants_test/backend/python/subsystems/test_python_setup.py FFFF           [100%]
...