Use setproctitle if available to show state (#696)

Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>

tox.ini

@@ -4,6 +4,7 @@ envlist=
   py{36,37,38,39}-pytestlatest
   py38-pytestmain
   py38-psutil
+  py38-setproctitle
 
 [testenv]
 extras = testing
@@ -21,6 +22,14 @@ deps = pytest
 commands =
   pytest {posargs:-k psutil}
 
+[testenv:py38-setproctitle]
+extras =
+  testing
+  setproctitle
+deps = pytest
+commands =
+  pytest {posargs}
+
 [testenv:release]
 changedir=
 decription = do a release, required posarg of the version number