Run tox tests in verbose mode and include version information

Signed-off-by: Ivan Kanakarakis <[email protected]>

Author: c00kiemon5ter

tox.ini

@@ -6,8 +6,15 @@ envlist =
   pypy3
 
 [testenv]
-deps=-rtests/test_requirements.txt
-commands = py.test {posargs:tests/}
-
-[pep8]
-max-line-length=100
+deps = -rtests/test_requirements.txt
+whitelist_externals =
+  tox
+  xmlsec1
+commands =
+  xmlsec1 --version
+  python --version
+  pytest --version
+  tox --version
+  pip --version
+  pip freeze
+  pytest -vvv -ra {posargs:tests/}