Skip ros3 tests if internet or ros3 driver are not available

[oruebel]

Motivation

Fix #1412

Automatically skip ROS3 tests if internet is not available or if ROS3 is not installed

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running flake8 from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov]

Codecov Report

Merging #1414 (010cc3a) into dev (dd7c301) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev    #1414   +/-   ##
=======================================
  Coverage   77.31%   77.31%           
=======================================
  Files          37       37           
  Lines        2715     2715           
  Branches      450      450           
=======================================
  Hits         2099     2099           
  Misses        535      535           
  Partials       81       81           

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