Merge pull request #476 in CASA/casa6 from CAS-12737 to master
* commit '14ee88f626969dc41fbf2a1d42f36e0cf02059e0':
update more test ref value post-merge, CAS-12737
update test ref value, CAS-12737
propagate test updates to casa6 copy, CAS-12737
let the tests_flags_propagation_... tests run for now as they're fast, CAS-12737
pass cube by ref, CAS-12737
AveragingTVI: use stragegy to avoid duplicate loops, CAS-12737
fix wrong indent, CAS-12737
add one more chanavg test (all chans), CAS-12737
chan-avg: use strategy to avoid duplicated loops, CAS-12737
carry over new tests and updates to casa6, CAS-12737
add tests on (back)propagation and preservation of flags w/ timeavg, CAS-12737
set flagdataFlagPropagation (time)AveragingTVI opt in flagdata, CAS-12737
add param flagdataFlagPropagation to AveragingTVI, CAS-12737
carry over test updates to casa6, CAS-12737
proper cleanup of test files, more comments, CAS-12737
carry over new flagdata tests to casa6, CAS-12737
set flagdataFlagPropagation channelavg opt in flagdata, CAS-12737
add param flagdataFlagPropagation to ChannelAverageTVI, CAS-12737
add tests on (back)propagation and preservation of pre-set flags, CAS-12737
