antirez 1a1ba48390 Test: fix slowlog test false positive.
In fast systems "SLOWLOG RESET" is fast enough to don't be logged even
when the time limit is "1" sometimes. Leading to false positives such
as:

[err]: SLOWLOG - can be disabled in tests/unit/slowlog.tcl
Expected '1' to be equal to '0'
2019-05-14 16:55:52 +02:00
..
2017-08-12 22:21:03 -07:00