[Java 21] Fix profiler test

[warunalakshitha]

Purpose

$Subject

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

Attention: Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 77.24%. Comparing base (6860ffb) to head (3c4094e).
Report is 37 commits behind head on java21.

Files with missing lines	Patch %	Lines
.../ballerina/runtime/internal/scheduling/Strand.java	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             java21   #43471      +/-   ##
============================================
+ Coverage     75.01%   77.24%   +2.22%     
- Complexity    56725    58253    +1528     
============================================
  Files          3447     3447              
  Lines        218878   218847      -31     
  Branches      28846    28852       +6     
============================================
+ Hits         164187   169038    +4851     
+ Misses        45736    40428    -5308     
- Partials       8955     9381     +426     

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