Update test cases

[HeshanSudarshana]

Purpose

This pull request updates the integration test suite configuration and test dependencies related to API endpoint certificates and audience validation. The main changes are adjustments to test dependencies and disabling certain test cases in the testng.xml configuration.

Test configuration updates:

• Disabled the APIEndpointCertificateTestCase and AudienceValidationTestCase by commenting them out in testng.xml, so these tests will no longer run as part of the test suite.

Test dependency update:

• Changed the dependency of the testDeleteNotAvailableCert method in APIEndpointCertificateTestCase.java to depend on testInvokeAPIAfterRemovingCertificate instead of testInvokeAPI, ensuring the correct test execution order.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 11.80%. Comparing base (71413ad) to head (714b6e7).
⚠️ Report is 15 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #13900      +/-   ##
============================================
+ Coverage      9.67%   11.80%   +2.13%     
- Complexity      676      786     +110     
============================================
  Files           335      335              
  Lines         16537    16537              
  Branches       1783     1783              
============================================
+ Hits           1600     1953     +353     
+ Misses        14914    14554     -360     
- Partials         23       30       +7     

Flag	Coverage Δ
integration_tests	11.80% <ø> (+2.13%)	⬆️

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