test all files using pytest

Author: jschlyter

tox.ini

@@ -4,7 +4,7 @@ envlist = py{36,37,38},quality
 [testenv]
 passenv = CI TRAVIS TRAVIS_*
 commands =
-    py.test --cov=cryptojwt --isort --black tests/ {posargs}
+    py.test --cov=cryptojwt --isort --black {posargs}
     codecov
 extras = testing
 deps =