See
https://build.opensuse.org/package/live_build_log/openSUSE:Leap:15.1/python-coloredlogs/standard/x86_64

[  109s] =================================== FAILURES
===================================
[  109s] __________________ ColoredLogsTestCase.test_host_name_filter
___________________
[  109s] 
[  109s] self = <coloredlogs.tests.ColoredLogsTestCase
testMethod=test_host_name_filter>
[  109s] test_method = <bound method ColoredLogsTestCase.test_host_name_filter
of <coloredlogs.tests.ColoredLogsTestCase testMethod=test_host_name_filter>>
[  109s] args = (), kw = {}
[  109s] e = AssertionError(u"assert 'cloud114' in ''\n +  where 'cloud114' =
find_hostname()",)
[  109s] 
[  109s]     def skipTestWrapper(self, test_method, *args, **kw):
[  109s]         """
[  109s]         Wrap test methods to translate exceptions into skipped tests.
[  109s]     
[  109s]         :param test_method: The test method to wrap.
[  109s]         :param args: The positional arguments to the test method.
[  109s]         :param kw: The keyword arguments to the test method.
[  109s]         :returns: The return value of the test method.
[  109s]     
[  109s]         When a :class:`TestCase` object is initialized,
:func:`__init__()`
[  109s]         wraps all of the ``test_*`` methods with
:func:`skipTestWrapper()`.
[  109s]     
[  109s]         When a test method raises an exception,
:func:`skipTestWrapper()` will
[  109s]         catch the exception and call :func:`shouldSkipTest()` to
decide whether
[  109s]         to translate the exception into a skipped test.
[  109s]     
[  109s]         When :func:`shouldSkipTest()` returns :data:`True` the
exception is
[  109s]         swallowed and :exc:`unittest.SkipTest` is raised instead of
the
[  109s]         original exception.
[  109s]         """
[  109s]         try:
[  109s] >           return test_method(*args, **kw)
[  109s] 
[  109s] /usr/lib/python2.7/site-packages/humanfriendly/testing.py:678: 
[  109s] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ 
[  109s] 
[  109s] self = <coloredlogs.tests.ColoredLogsTestCase
testMethod=test_host_name_filter>
[  109s] 
[  109s]     def test_host_name_filter(self):
[  109s]         """Make sure :func:`install()` integrates with
:class:`~coloredlogs.HostNameFilter()`."""
[  109s]         install(fmt='%(hostname)s')
[  109s]         with CaptureOutput() as capturer:
[  109s]             logging.info("A truly insignificant message ..")
[  109s]             output = capturer.get_text()
[  109s] >           assert find_hostname() in output
[  109s] E           AssertionError: assert 'cloud114' in ''
[  109s] E            +  where 'cloud114' = find_hostname()
[  109s] 
[  109s] coloredlogs/tests.py:152: AssertionError
[  109s] ----------------------------- Captured stderr call
-----------------------------
[  109s] 
[  109s] ------------------------------ Captured log call
-------------------------------
[  109s] tests.py                   150 INFO     A truly insignificant message
..
[  109s] ========= 1 failed, 24 passed, 3 skipped, 2 deselected in 1.32 seconds
=========
[  109s] error: Bad exit status from /var/tmp/rpm-tmp.VEv2Uj (%check)