redoing PR #1210, attempting to improve code coverage analysis

[jhcollins]

Mandatory Checklist

Please ensure that the following criteria are met:

• [x] Title of pull request describes the changes/features
• [x] Request at least 2 reviewers
• [x] If new files are being added, the files are no larger than 100kB. Post the file sizes.
• [ ] Code coverage did not decrease. If this is a bug fix, a test should cover that bug fix. If a new feature is added, a test should be made to cover that feature.
• [ ] New features have appropriate documentation strings (readable by sphinx)
• [x] Contributor has read and agreed with CONTRIBUTING.md and has added themselves to CONTRIBUTORS.md

As a general rule of thumb, try to follow PEP8 guidelines.

Description

redoing PR #1210

[codecov[bot]]

Codecov Report

Merging #1213 into master will increase coverage by 1.21%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1213      +/-   ##
==========================================
+ Coverage   50.87%   52.09%   +1.21%     
==========================================
  Files         526      526              
  Lines      108803   108803              
==========================================
+ Hits        55358    56681    +1323     
+ Misses      53445    52122    -1323     

Impacted Files	Coverage Δ
proteus/tests/test_boundaryconditions.py	97.21% <0.00%> (-0.37%)	:arrow_down:
proteus/NumericalFlux.py	42.80% <0.00%> (+0.05%)	:arrow_up:
proteus/mprans/NCLS.py	73.97% <0.00%> (+0.09%)	:arrow_up:
proteus/mprans/MCorr.py	51.53% <0.00%> (+0.09%)	:arrow_up:
proteus/mprans/RDLS.py	66.98% <0.00%> (+0.10%)	:arrow_up:
proteus/mprans/VOF.py	85.58% <0.00%> (+0.11%)	:arrow_up:
proteus/TimeIntegration.py	22.34% <0.00%> (+0.16%)	:arrow_up:
proteus/mprans/MoveMesh.py	86.38% <0.00%> (+0.17%)	:arrow_up:
proteus/SpatialTools.py	49.77% <0.00%> (+0.34%)	:arrow_up:
proteus/mprans/RANS2P.py	87.90% <0.00%> (+0.35%)	:arrow_up:
... and 8 more

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[jhcollins]

The code coverage increased. Not sure what happened with the other PR. Can we merge and close?

[zhang-alvin]

@jhcollins do you have merge privileges? I'm fine with merging.