tox.ini: simplify (#72941)

tox.ini

@@ -5,21 +5,15 @@
 
 [tox]
 toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/zoo/{env:BRANCH_NAME:}
-envlist = py3-dj22-coverage
+envlist = py3-dj22
 
 [testenv]
-# django.contrib.auth is not tested it does not work with our templates
-whitelist_externals =
-  /bin/mv
 setenv =
   DJANGO_SETTINGS_MODULE=zoo.settings
   SETUPTOOLS_USE_DISTUTILS=stdlib
-  coverage: COVERAGE=--junitxml=junit-{envname}.xml --cov-report xml --cov-report html --cov=zoo/
-  fast: FAST=--nomigrations
-  flakes: FLAKES=--flakes
-usedevelop =
-  coverage: True
-  nocoverage: False
+  JUNIT={tty::--junitxml=junit-{envname}.xml}
+  COVERAGE={tty::--cov-report xml --cov-report html --cov=zoo/}
+usedevelop = true
 deps =
   dj22: django<2.3
   djangorestframework>=3.9.2,<3.10
@@ -43,4 +37,4 @@ deps =
   faker
   pytest-freezegun
 commands =
-  py.test {env:FAST:} {env:COVERAGE:} {env:FLAKES:} {posargs:tests}
+  py.test {posargs:{env:JUNIT:} {env:COVERAGE:} {env:FLAKES:} tests/}