Add unit test for DeleteManifest method in TencentCR adapter

[intojhanurag]

This PR adds a unit test for the DeleteManifest function in the Tencent Container Registry (TCR) adapter.

Changes:

• Introduced a mockAdapter to simulate the delete behavior without calling real Tencent Cloud APIs.
• Added two test cases:
  1. Invalid repository format — ensures the function returns an error when the repository name doesn’t follow the <namespace>/<repo> pattern.
  2. Valid repository format — validates correct parsing of namespace and repository, and successful invocation of the mock delete method.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.84%. Comparing base (c8c11b4) to head (a86dbff).
⚠️ Report is 593 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main   #22537       +/-   ##
===========================================
+ Coverage   45.36%   65.84%   +20.47%     
===========================================
  Files         244     1073      +829     
  Lines       13333   116079   +102746     
  Branches     2719     2931      +212     
===========================================
+ Hits         6049    76432    +70383     
- Misses       6983    35408    +28425     
- Partials      301     4239     +3938     

Flag	Coverage Δ
unittests	65.84% <ø> (+20.47%)	⬆️

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see 987 files with indirect coverage changes

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[intojhanurag]

Hey @chlins @MinerYang, I added a test . Can you take a look if you have a moment that my approach is good to go ??

[chlins]

lgtm

[intojhanurag]

Hey @Vad1mo , @wy65701436 , Can you take a look on this ?

[reasonerjt]

LGTM thanks!