Add test cases for MCP specific operations

[PasanT9]

Reference: wso2/api-manager#3976

[codecov]

Codecov Report

❌ Patch coverage is 0.52200% with 1334 lines in your changes missing coverage. Please review.
✅ Project coverage is 9.13%. Comparing base (59e3fae) to head (cea3503).
⚠️ Report is 17 commits behind head on master.

Files with missing lines	Patch %	Lines
...ion/clients/publisher/api/v1/dto/MCPServerDTO.java	0.00%	460 Missing ⚠️
...ts/publisher/api/v1/dto/MCPServerOperationDTO.java	0.00%	129 Missing ⚠️
...s/publisher/api/v1/dto/APIOperationMappingDTO.java	0.00%	77 Missing ⚠️
...ration/clients/publisher/api/v1/dto/MaxTpsDTO.java	0.00%	72 Missing ⚠️
...ents/publisher/api/v1/dto/BackendOperationDTO.java	0.00%	67 Missing ⚠️
...nts/publisher/api/v1/dto/MCPServerMetadataDTO.java	0.00%	54 Missing ⚠️
...ation/clients/publisher/api/v1/dto/BackendDTO.java	0.00%	46 Missing ⚠️
...her/api/v1/dto/MCPServerValidationResponseDTO.java	0.00%	46 Missing ⚠️
...blisher/api/v1/dto/BackendOperationMappingDTO.java	0.00%	44 Missing ⚠️
...sher/api/v1/dto/MCPServerOperationPoliciesDTO.java	0.00%	38 Missing ⚠️
... and 10 more

❗ There is a different number of reports uploaded between BASE (59e3fae) and HEAD (cea3503). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (59e3fae)	HEAD (cea3503)
integration_tests	2	1

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #13868       +/-   ##
=============================================
- Coverage     21.38%    9.13%   -12.26%     
+ Complexity     1296      633      -663     
=============================================
  Files           307      327       +20     
  Lines         14803    16144     +1341     
  Branches       1586     1739      +153     
=============================================
- Hits           3166     1475     -1691     
- Misses        11602    14651     +3049     
+ Partials         35       18       -17     

Flag	Coverage Δ
integration_tests	9.13% <0.52%> (-12.26%)	⬇️

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