test(mtr): optimize func_sec_to_time.test(#1196)

[davidshiz]

Summary about this PR

Issue Number: ref #1196

Tests Check List

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Changelog

• New Feature
• Bug Fix
• Performance Improvement
• Build/Testing/CI/CD
• Documentation
• Not for changelog (changelog entry is not required)

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features

[mergify]

Thanks for the contribution!
I have applied any labels matching special text in your PR Changelog.

Please review the labels and make any necessary changes.

[lujiashun]

LGTM

[codecov]

Codecov Report

Base: 43.28% // Head: 43.13% // Decreases project coverage by -0.16% ⚠️

Coverage data is based on head (8d5a68c) compared to base (07a3d72).
Patch coverage: 43.75% of modified lines in pull request are covered.

Additional details and impacted files

@@                 Coverage Diff                 @@
##           stonedb-5.7-dev    #1298      +/-   ##
===================================================
- Coverage            43.28%   43.13%   -0.16%     
===================================================
  Files                 1830     1830              
  Lines               396156   396260     +104     
===================================================
- Hits                171483   170930     -553     
- Misses              224673   225330     +657     

Impacted Files	Coverage Δ
storage/tianmu/core/aggregation_algorithm.h	60.00% <ø> (+22.50%)	⬆️
storage/tianmu/core/engine.cpp	54.14% <0.00%> (ø)
storage/tianmu/core/pack_guardian.h	100.00% <ø> (ø)
storage/tianmu/core/temp_table.cpp	71.71% <ø> (ø)
storage/tianmu/handler/ha_tianmu.cpp	55.55% <ø> (+0.09%)	⬆️
storage/tianmu/loader/load_parser.cpp	69.91% <ø> (+6.19%)	⬆️
storage/tianmu/system/configuration.cpp	100.00% <ø> (ø)
storage/tianmu/system/configuration.h	0.00% <ø> (-100.00%)	⬇️
storage/tianmu/core/aggregation_algorithm.cpp	55.78% <21.42%> (-17.06%)	⬇️
storage/tianmu/core/pack_guardian.cpp	42.75% <42.75%> (-25.77%)	⬇️
... and 90 more

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[shangyanwen]

LGMT