fix(tox): fix how test are run

test/test_ail.py

@@ -16,7 +16,7 @@
 import re
 import sys
 from io import StringIO
-from logilab.common.testlib import TestCase
+from unittest import TestCase
 from logilab.common.fileutils import ensure_fs_mode
 from stat import S_IWRITE
 

tox.ini

@@ -4,6 +4,7 @@
 [testenv]
 deps =
   pytest
+  logilab-common
   git+https://github.com/psycojoker/pytest-capture-deprecatedwarnings
 commands =
   {envpython} -m pytest {posargs:test}