Index: tox.ini
diff --git a/tox.ini b/tox.ini
index 6398bc6720472c2dc6e6386aaf025209de0b7bc9..e24c7ce66347e9c0ccdacbad8843a373ca06126a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,13 +13,21 @@ per-file-ignores =
     packagerChrome.py : A101,A104,A107,A111,A112,A302,E501,E711,F841,N802,N803,N806
     publicSuffixListUpdater.py : A108,D200,D202,D205,D400,D401,D403,E501,F821,N802,N803
     releaseAutomation.py : A102,A107,A108,A302,D202,D400,D401,E501,F401,N803,N806
-    tests/test_packagerEdge.py : D401
+
+[coverage:run]
+omit = tests/*
+
+[coverage:report]
+show_missing = True
 
 [testenv]
+recreate = true
 setenv =
     PYTHONPATH = {toxinidir}/..
 deps =
+    pycrypto
     pytest
+    pytest-cov
     jinja2
     flake8
     flake8-per-file-ignores
@@ -27,5 +35,6 @@ deps =
     pep8-naming
     hg+https://hg.adblockplus.org/codingtools#egg=flake8-eyeo&subdirectory=flake8-eyeo
 commands =
-    py.test tests
+    python ensure_dependencies.py --nodejs-only
+    pytest tests --capture=sys --cov=buildtools
     flake8