Enable function pointer byte default value test

[gabilang]

Purpose

$title

Fixes #31680

Approach

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Samples

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Remarks

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Check List

• Read the Contributing Guide
• Updated Change Log
• Checked Tooling Support (#)
• Added necessary tests
  • Unit Tests
  • Spec Conformance Tests
  • Integration Tests
  • Ballerina By Example Tests
• Increased Test Coverage
• Added necessary documentation
  • API documentation
  • Module documentation in Module.md files
  • Ballerina By Examples

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.26%. Comparing base (b8a4619) to head (36f76bb).
Report is 16 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #42768      +/-   ##
============================================
+ Coverage     77.20%   77.26%   +0.05%     
- Complexity    51288    51298      +10     
============================================
  Files          2928     2928              
  Lines        204401   204391      -10     
  Branches      26665    26659       -6     
============================================
+ Hits         157806   157917     +111     
+ Misses        38034    37893     -141     
- Partials       8561     8581      +20     

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[warunalakshitha]

LGTM