Unittest for custom avatar

[nidhin29]

This change included the Unittest for custom avatar

Issue Number: #1127

Fixed #1127

Did you add tests for your changes?

Yes

Summary

It is unittest for custom avatar.

Does this PR introduce a breaking change?

No, this does not introduce any major changes to the codebase.

Have you read the contributing guide?

Yes, i have followed the guidelines.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (405f49d) 80.41% compared to head (a20e52c) 80.41%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2246   +/-   ##
========================================
  Coverage    80.41%   80.41%           
========================================
  Files          149      149           
  Lines         7006     7006           
========================================
  Hits          5634     5634           
  Misses        1372     1372           

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