adding test files for 400G ZR++ low power mode and performance metrics tests

[jianchen-g]

These two files have the same functional tests as the following two ZR optic testing files:

https://github.com/openconfig/featureprofiles/blob/main/feature/platform/transceiver/low_power_mode/tests/zr_low_power_mode_test/zr_low_power_mode_test.go

https://github.com/openconfig/featureprofiles/blob/main/feature/platform/transceiver/performance_metrics/tests/zr_pm_test/zr_pm_test.go

Main differences:

1. optics PMD, operational mode, Tx power
2. clean up the codes by using the existing functions of OpticalChannelComponentFromPort and ToggleInterface
3. add OC telemetry type check

[OpenConfigBot]

Pull Request Functional Test Report for #3720 / d74e13f0b196771a01ebe58d5c46777cfb2b0c10

Virtual Devices

Device	Test	Test Documentation	Job	Raw Log
Arista cEOS		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.	d8f136ba	Log
Cisco 8000E		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.	3efb119d	Log
Cisco XRd		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.	1ff35648	Log
Juniper ncPTX		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.	ed37f904	Log
Nokia SR Linux		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.	98ae64db	Log
Openconfig Lemming		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.	bfe98b02	Log

Hardware Devices

Device	Test	Test Documentation	Raw Log
Arista 7808		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.
Cisco 8808		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.
Juniper PTX10008		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.
Nokia 7250 IXR-10e		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting. TRANSCEIVER-13 (400ZR_PLUS): Configuration: 400ZR_PLUS Transceiver Low Power Mode Setting. TRANSCEIVER-6 (400ZR_PLUS): Telemetry: 400ZR_PLUS Optics performance metrics (pm) streaming.

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Pull Request Test Coverage Report for Build 12997012156

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 18.314%

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Totals
Change from base Build 12995458405:	0.0%
Covered Lines:	2481
Relevant Lines:	13547

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