Pull request #918: CAS-13969
Merge in CASA/casa6 from CAS-13969 to master
* commit '2885395bb7d35f0a0fe3cc57cd9d8919ea0f4029':
Skipping settrop due to intermittent failures
fixed typo
The ratio of diff is the same even for the mac failures
testing mean comparison and grabbing data for plotting
Output of settrop appears to be different. outputting slice to compare
additional reporting on some failure stats
testing if numpy where was behaving unexpectedly on mac
Fix Inconsistent tabs/ spaces
Update to test variable assignment
