diff --git a/tox.ini b/tox.ini
index 34de81e..b634800 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,43 +1,35 @@
 [tox]
 envlist=flake8,mypy,py3
 
-[testenv:py3]
+[testenv]
 deps =
   .[testing]
   pytest-cov
   pifpaf
 setenv =
   LC_ALL=C.UTF-8
   LC_CTYPE=C.UTF-8
   LANG=C.UTF-8
 commands =
-  pifpaf run postgresql -- pytest --doctest-modules --hypothesis-profile=fast \
-         --cov={envsitepackagesdir}/swh/scheduler \
-         {envsitepackagesdir}/swh/scheduler \
-         --cov-branch {posargs}
-
-[testenv:py3-slow]
-deps =
-  .[testing]
-  pytest-cov
-  pifpaf
-commands =
-  pifpaf run postgresql -- pytest --doctest-modules --hypothesis-profile=slow \
+    pifpaf run postgresql -- \
+      pytest --doctest-modules \
+  !slow: --hypothesis-profile=fast \
+  slow:  --hypothesis-profile=slow \
          --cov={envsitepackagesdir}/swh/scheduler \
          {envsitepackagesdir}/swh/scheduler \
          --cov-branch {posargs}
 
 [testenv:flake8]
 skip_install = true
 deps =
   flake8
 commands =
   {envpython} -m flake8
 
 [testenv:mypy]
 skip_install = true
 deps =
   .[testing]
   mypy
 commands =
   mypy swh