Merge pull request #142 in CASA/casa6 from CAS-12872 to master
* commit 'd37671b4cba2eb98046b9f14338394cb39bf41bb':
remove commeted out code
Add class setUp and tearDown methods. Remove all created files using the tearDown and avoid all copies of MSs in other instances. The script was leaving 3.6GB of data in disk.
CAS-12872: Add full polarization test