Add back panelr tests

[strengejacke]

No description provided.

[codecov]

Codecov Report

Merging #800 (8aa757a) into main (2224425) will increase coverage by 0.55%.
The diff coverage is n/a.

❗ Current head 8aa757a differs from pull request most recent head 0e99c98. Consider uploading reports for the commit 0e99c98 to get more accurate results

@@            Coverage Diff             @@
##             main     #800      +/-   ##
==========================================
+ Coverage   53.90%   54.46%   +0.55%     
==========================================
  Files         124      124              
  Lines       15244    15244              
==========================================
+ Hits         8218     8302      +84     
+ Misses       7026     6942      -84     

see 7 files with indirect coverage changes