Merge pull request #209 in CASA/casa6 from CAS-13169 to master
* commit '146a8af9feda426e4730c2c85cf3c46dad354442':
task_imcollapse and tests synced CASA5/6. tests pass
check point
check point
checkpoint, commit changes before switching branches
check point, committing before switching branches in sandbox
test_ia_collapse for CASA 5
syntax bug fix
Made test_cvel identical in casa5 and casa6
updated task_imcollapse, updated and added test_ia_collapse to CASA 5
Replaced exception FileNotFoundError at end of task to fix a test error.
Fixed test_wvrgcal in casa5 due to changes in CAS-13018. The test in almatasks in not in sync with this in casa5.
Fixed test uvfits
Fixed tests due to CAS-13018
Fixed test predictcomp due to changes in CAS-13018
Fixed test plotants and plotweather due to changes in CAS-13018
Fixed test cvel2 due to changes to CAS-13018
Fixed test cvel and cvel2 due to changes in CAS-13018
Fixed test_caltabconvert due to CAS-13018 changes
