Fix tests and warnings for 3 -> 6 forward port

[iche033]

Signed-off-by: Ian Chen [email protected]

🦟 Bug fix

Summary

Changes to get CI to be green again

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

Merging #819 (33b0220) into nkoenig/3-to-6-20230120 (87f6bf7) will decrease coverage by 3.80%.
The diff coverage is 61.70%.

@@                     Coverage Diff                     @@
##           nkoenig/3-to-6-20230120     #819      +/-   ##
===========================================================
- Coverage                    83.36%   79.57%   -3.80%     
===========================================================
  Files                          100      146      +46     
  Lines                         7815    13434    +5619     
===========================================================
+ Hits                          6515    10690    +4175     
- Misses                        1300     2744    +1444     

Impacted Files	Coverage Δ
include/gz/rendering/ArrowVisual.hh	100.00% <ø> (ø)
include/gz/rendering/AxisVisual.hh	0.00% <ø> (-100.00%)	⬇️
include/gz/rendering/Camera.hh	100.00% <ø> (ø)
include/gz/rendering/Geometry.hh	100.00% <ø> (ø)
include/gz/rendering/GpuRays.hh	100.00% <ø> (+100.00%)	⬆️
include/gz/rendering/JointVisual.hh	0.00% <0.00%> (ø)
include/gz/rendering/Light.hh	100.00% <ø> (ø)
include/gz/rendering/Material.hh	100.00% <ø> (ø)
include/gz/rendering/Mesh.hh	100.00% <ø> (ø)
include/gz/rendering/Node.hh	100.00% <ø> (ø)
... and 106 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.