First dumb test

pytest.ini

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+[pytest]
+python_files = test*.py

tests.py

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+from __future__ import unicode_literals
+from tqdm import format_interval
+
+
+def test_format_interval():
+    assert format_interval(60) == '01:00'
+    assert format_interval(6160) == '1:42:40'
+    assert format_interval(238113) == '66:08:33'
+

tox.ini

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+# Tox (http://tox.testrun.org/) is a tool for running tests
+# in multiple virtualenvs. This configuration file will run the
+# test suite on all supported python versions. To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+envlist = py26, py27, py32
+
+[testenv]
+commands = py.test
+deps =
+    pytest