Add failover tests for image transfer, container start, and volume cr…

[chitadi]

…eation

The test numbers have been adjusted according to PR - 5562

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a suite of failover tests designed to validate the system's resilience during supervisor switchovers. By simulating interruptions in critical container lifecycle operations, these tests ensure that the system handles unexpected state transitions gracefully and maintains consistency.

Highlights

• New Failover Tests: Added three new test cases (CNTR-3.7, CNTR-3.8, CNTR-3.9) to verify system behavior during supervisor switchover events.
• Test Coverage: Implemented tests for interrupting image transfers, container startup processes, and volume creation to ensure robust handling of failover scenarios.
• Test Infrastructure: Integrated cleanup routines and telemetry-based synchronization to ensure reliable test execution and state verification across switchovers.

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[OpenConfigBot]

Pull Request Functional Test Report for #5565 / 79303a5

Virtual Devices

Device	Test	Test Documentation	Job	Raw Log
Arista cEOS		CNTR-3: Container Supervisor Failover	fb7b32ef	Log
Cisco 8000E		CNTR-3: Container Supervisor Failover	6f28aa43	Log
Cisco XRd		CNTR-3: Container Supervisor Failover	1033177e	Log
Juniper ncPTX		CNTR-3: Container Supervisor Failover	fc0c286f	Log
Nokia SR Linux		CNTR-3: Container Supervisor Failover	b0991f19	Log
Openconfig Lemming		CNTR-3: Container Supervisor Failover	089bb60d	Log

Hardware Devices

Device	Test	Test Documentation	Raw Log
Arista 7808		CNTR-3: Container Supervisor Failover
Cisco 8808		CNTR-3: Container Supervisor Failover
Juniper PTX10008		CNTR-3: Container Supervisor Failover
Nokia 7250 IXR-10e		CNTR-3: Container Supervisor Failover

Help

[chitadi]

/gemini review

[gemini-code-assist]

Code Review

This pull request introduces three new failover integration tests (TestInterruptImageTransferFailover, TestInterruptContainerStartFailover, and TestInterruptVolumeCreationFailover) and updates existing test mappings to their correct test case IDs. The feedback points out that the corresponding README.md needs to be updated to reflect these new test numbers and document the new test cases, ensuring compliance with the repository style guide.

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