test: Hip 991 submit message last tests

[ibankov]

Description:

Adding last missing tests for topic submit message.

Related issue(s):
#17086
Fixes #

Notes for reviewer:

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (e236632)	96158	65477	68.09%
Head commit (4f31f34)	96158 (+0)	65477 (+0)	68.09% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#17185)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.32%. Comparing base (e236632) to head (4f31f34).

Additional details and impacted files

@@                     Coverage Diff                      @@
##             hip-991-submit-message   #17185      +/-   ##
============================================================
- Coverage                     64.32%   64.32%   -0.01%     
+ Complexity                    20983    20982       -1     
============================================================
  Files                          2557     2557              
  Lines                         96395    96395              
  Branches                      10098    10098              
============================================================
- Hits                          62003    62002       -1     
  Misses                        30726    30726              
- Partials                       3666     3667       +1     

see 1 file with indirect coverage changes