tests: rewrite create_package to support dedent

[marcelotduarte]

No description provided.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.80 🎉

Comparison is base (a99cedd) 56.79% compared to head (b25b68e) 57.59%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1960      +/-   ##
==========================================
+ Coverage   56.79%   57.59%   +0.80%     
==========================================
  Files          57       57              
  Lines        5434     5438       +4     
==========================================
+ Hits         3086     3132      +46     
+ Misses       2348     2306      -42     

Impacted Files	Coverage Δ
cx_Freeze/command/bdist_rpm.py	86.27% <100.00%> (-0.18%)	⬇️

... and 3 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.