Merge pull request #499 in CASA/casa6 from CAS-13404 to master
* commit 'f36d6103c5b6312afc0dbb431aa9ff229668694e':
rennamed test_linearmosaic.py to test_tool_linearmosaic.py
Added new test_tool_linearmosaic to the component mapping json file. CAS-13404: removed an unused mention of the joint mosaic image CAS-13404: Updated tests after further discussions regarding the expected results. CAS-13404: modified class name for tests, some of the test to an an existing image
removed unnecessary helper imports
removed unnecessary helper imports
test script for linearmosaic tool
Merge pull request #497 in CASA/casa6 from CAS-13385 to master
* commit '0da1e542d9f56d9892a2f0ad7381290d86c7bf22': CAS-13385: remove additional DeprecationWarning in task_plotbandpass CAS-13385 remove RuntimeWarning in task_plotbandpass CAS-13385 remove VisibleDeprecationWarning in task_plotbandpass