Cover Missing Required Keys in Component Init Specs

[alexanderkiel]

Closes: #3841

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.32%. Comparing base (f5361fc) to head (efbbf77).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3843      +/-   ##
==========================================
+ Coverage   96.23%   96.32%   +0.09%     
==========================================
  Files         423      423              
  Lines       26478    26478              
  Branches      641      617      -24     
==========================================
+ Hits        25481    25506      +25     
- Misses        473      474       +1     
+ Partials      524      498      -26     

see 27 files with indirect coverage changes

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