[feat] Extend the JUnit report

[toxa81]

This PR is adding extra information to the element of JUnit report. In particular, it adds the following text information:

• working directory
• last 20 lines of stdout
• last 20 lines of stderr

Use case: get useful information quickly while browsing the test matrix in the gitlab UI.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.97%. Comparing base (3adb203) to head (928e2aa).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3702      +/-   ##
===========================================
+ Coverage    91.93%   91.97%   +0.04%     
===========================================
  Files           62       62              
  Lines        13786    13802      +16     
===========================================
+ Hits         12674    12695      +21     
+ Misses        1112     1107       -5     

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