also some tests that were negative now work as if limit was passed as default (empty string is the same as skipped)
accepted differences in abs_rshares and related vote_rshares prior to first payout (old abs_rshares were not corrected when vote was edited - the only meaning of that value was zero or nonzero, so we don't care about actual value, especially now)
[Fix] removed test entries of duplicate tests that were removed earlier but somehow were left in .yaml