============================= test session starts ==============================
platform linux -- Python 3.7.3, pytest-5.1.2, py-1.8.0, pluggy-0.12.0
rootdir: /testbed, inifile: tox.ini
collected 1 item

test_example.py F                                                      [100%]

=================================== FAILURES ===================================
__________________________________ test_fail ___________________________________

    def test_fail():
>       assert 1 == 2
E       assert 1 == 2

test_example.py:2: AssertionError
============================== 1 failed in 0.01s ===============================