[JTC] Add console output for tolerance checks (backport #932)

[mergify]

This is an automatic backport of pull request #932 done by Mergify.

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[codecov]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (fb23403) 47.25% compared to head (9bbda01) 46.70%.

Additional details and impacted files

@@            Coverage Diff             @@
##             iron     #939      +/-   ##
==========================================
- Coverage   47.25%   46.70%   -0.55%     
==========================================
  Files          40       40              
  Lines        3655     3655              
  Branches     1728     1728              
==========================================
- Hits         1727     1707      -20     
- Misses        738      753      +15     
- Partials     1190     1195       +5     

Flag	Coverage Δ
unittests	46.70% <14.28%> (-0.55%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...include/joint_trajectory_controller/tolerances.hpp	55.00% <0.00%> (+10.00%)	⬆️
...ory_controller/src/joint_trajectory_controller.cpp	48.61% <16.66%> (-0.14%)	⬇️

... and 2 files with indirect coverage changes