Tests in tests/helpers/test_log.py fail after switching to daylight saving time on March 26th

[patrikspiess]

>       assert syslog_formatter.format(log_record) == expected_string
E       AssertionError: assert '<10>1 1970-0... test_message' == '<10>1 1970-0... test_message'
E         Skipping 55 identical trailing characters in diff, use -v to show
E         - <10>1 1970-01-01T01:00:00+02:00 dummy
E         ?                            ^
E         + <10>1 1970-01-01T01:00:00+01:00 dummy
E         ?                            ^

Wouldn't it be better to check the time format with a regex instead of a fully qualified string?