Update zrp_tunable_parameters_test.go

[AmrNJ]

1. Update deviations.
2. Update the go files with helper functions and correct code sequence.

[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 updates the zrp_tunable_parameters_test.go file to improve the reliability and maintainability of the tunable parameter tests. The changes include refactoring how optical channel configurations are applied and verified, introducing more precise state monitoring, and cleaning up the telemetry validation logic to be more concise and robust.

Highlights

• Test Refactoring: Refactored test logic to use explicit configuration structures and added robust GNMI watching for frequency and output power verification.
• Telemetry Validation Improvements: Simplified telemetry validation by removing redundant type checks and streamlining the logic for checking statistical consistency.
• Helper Function Addition: Added a new helper function opticalChannelFromPort to correctly resolve optical channel components from port information.

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[OpenConfigBot]

Pull Request Functional Test Report for #5338 / 46f2ecc

Virtual Devices

Device	Test	Test Documentation	Job	Raw Log
Arista cEOS		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.	be25d105	Log
Cisco 8000E		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.	31c492e4	Log
Cisco XRd		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.	0d433f47	Log
Juniper ncPTX		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.	1e8b0b78	Log
Nokia SR Linux		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.	6846414a	Log
Openconfig Lemming		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.	de2a92bd	Log

Hardware Devices

Device	Test	Test Documentation	Raw Log
Arista 7808		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.
Cisco 8808		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.
Juniper PTX10008		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.
Nokia 7250 IXR-10e		TRANSCEIVER-5.2: Configuration: 400ZR_PLUS channel frequency, output TX launch power and operational mode setting.

Help

[gemini-code-assist]

Code Review

This pull request refactors the ZRP tunable parameters test to utilize cfgplugins for interface initialization and direct gnmi operations for optical channel configuration, replacing the previous components and cfgplugins.ConfigOpticalChannel methods. It introduces explicit verification of frequency and power settings via gnmi.Watch and updates telemetry validation to interface directly with OpticalChannel components. Reviewer feedback recommends consolidating redundant stream creation into loops, renaming variables to prevent shadowing the oc package, and preferring t.Errorf over t.Fatalf to ensure comprehensive error reporting during test execution.

[kapilrajput-g]

Note: Platform - Swetha and Authors are the only featureowners. Swetha is not available for some time. Other alternative reviewer reviewed it. Force merging changes to make changes live.