CSPL-3558 Integ tests init

[kasiakoziol]

Description

This PR introduces integration tests for Index and Ingestion separation.

Key Changes

• Integration tests

Testing and Verification

These are automated tests.

Related Issues

Jira: https://splunk.atlassian.net/browse/CSPL-3558

PR Checklist

• Code changes adhere to the project's coding standards.
• Relevant unit and integration tests are included.
• Documentation has been updated accordingly.
• All tests pass locally.
• The PR description follows the project's guidelines.

[coveralls]

Pull Request Test Coverage Report for Build 18222859400

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.008%) to 86.156%

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Files with Coverage Reduction	New Missed Lines	%
pkg/splunk/enterprise/cp.go	1	33.33%

Totals
Change from base Build 18184292699:	-0.008%
Covered Lines:	11233
Relevant Lines:	13038

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💛 - Coveralls