I'm not exactly sure how, but in case
sw/qa/uitest/findReplace/findSimilarity.py and
sw/qa/uitest/findReplace/findReplace.py are in the same suite, then 3
tests from the later fail for me.

I don't see anything obviously problematic in either of these tests, so
just split them to separate suites, these are slow tests after all, so
more parallelism is good anyway.

(What may happen is that one of the dialogs remember its state in the
user profile, but then why this doesn't happen for everyone is unclear.)

Change-Id: If11f5b171972422fab5f79a047b1aabb1adee04d
Reviewed-on: https://gerrit.libreoffice.org/70296Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins