Fixed Fortress tests related to lights

[ahcorde]

Signed-off-by: Alejandro Hernández Cordero [email protected]

🦟 Bug fix

Fixes #

Summary

Ligths are now adding a visual entity, This new change requires to update tests

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 #1827 (ac9eaa2) into ign-gazebo6 (216d5a5) will increase coverage by 0.15%.
The diff coverage is 90.69%.

@@               Coverage Diff               @@
##           ign-gazebo6    #1827      +/-   ##
===============================================
+ Coverage        64.60%   64.75%   +0.15%     
===============================================
  Files              321      321              
  Lines            26297    26313      +16     
===============================================
+ Hits             16989    17040      +51     
+ Misses            9308     9273      -35     

Impacted Files	Coverage Δ
src/rendering/SceneManager.cc	31.11% <12.50%> (+2.66%)	⬆️
src/rendering/RenderUtil.cc	39.55% <92.85%> (+0.62%)	⬆️
src/SdfEntityCreator.cc	86.24% <100.00%> (+0.33%)	⬆️
src/systems/hydrodynamics/Hydrodynamics.cc	88.15% <100.00%> (-0.38%)	⬇️

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