Updated tests for ign-math's ostream fix

[jennuine]

🦟 Bug fix

• Requires Fix output stream operator gz-math#376

Summary

With changes from the above ign-math PR, the output stream does not change the value. This change affected how magneticField value is printed:

math::Vector3d magneticField(5.5645e-6, 22.8758e-6, -42.3884e-6);
cout << magneticField;

// before printed:   6e-06 2.3e-05 -4.2e-05
// after ign-math PR: 5.5645e-06 2.28758e-05 -4.23884e-05

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• 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

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[jennuine]

@osrf-jenkins run tests please

[codecov-commenter]

Codecov Report

Merging #847 (48de1b0) into main (1df5df2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #847   +/-   ##
=======================================
  Coverage   90.69%   90.69%           
=======================================
  Files          78       78           
  Lines       12433    12433           
=======================================
  Hits        11276    11276           
  Misses       1157     1157           

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[azeey]

We need to forward port sdf12 changes to main for CI to pass. I'll go ahead and do that.

[azeey]

We need to forward port sdf12 changes to main for CI to pass. I'll go ahead and do that.

I started doing this, but tests fail without the changes in this PR to account for gazebosim/gz-math#376. I am thinking of merging this as is and opening the forward port PR immediately, which will make CI green again. What do you think @scpeters ?

[scpeters]

We need to forward port sdf12 changes to main for CI to pass. I'll go ahead and do that.

I started doing this, but tests fail without the changes in this PR to account for ignitionrobotics/ign-math#376. I am thinking of merging this as is and opening the forward port PR immediately, which will make CI green again. What do you think @scpeters ?

sounds good to me