[T0 T1 merge] update multidut pfcwd tests

[auspham]

Summary: Update the missing T0 T1 tests feature in multidut

Fixes # (issue) 30929279

The following PR were migrated for pfcwd

• [Snappi] Increase number of calls for ARP wait #7370

• [Snappi] PFCWD Tolerance Fixes #9567

• [Snappi] Modifications to pfcwd a2a test design for mlnx 4600c #7367 to multidut code

• [Snappi] Modified pfcwd tests to add warm-up traffic #7712

Type of change

• Bug fix
• Testbed and Framework(new/improvement)
• New Test case
  • Skipped for non-supported platforms
• Test case improvement

Back port request

• 202012
• 202205
• 202305
• 202311
• 202405
• 202411

Approach

What is the motivation for this PR?

How did you do it?

How did you verify/test it?

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation

snappi_tests/multidut/pfcwd/test_multidut_pfcwd_m2o_with_snappi.py

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
- generated xml file: /var/src/sonic-mgmt_vmsvc5-t2-8800-ixia_669de75fbbfea63e8b73b319/tests/logs/snappi_tests/multidut/pfcwd/test_multidut_pfcwd_m2o_with_snappi.xml -
================== 4 passed, 7 warnings in 1235.72s (0:20:35) ==================

snappi_tests/multidut/pfcwd/test_multidut_pfcwd_burst_storm_with_snappi.py

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
- generated xml file: /var/src/sonic-mgmt_vmsvc5-t2-8800-ixia_669de75fbbfea63e8b73b319/tests/logs/snappi_tests/multidut/pfcwd/test_multidut_pfcwd_burst_storm_with_snappi.xml -
================== 2 passed, 5 warnings in 858.60s (0:14:18) ===================

snappi_tests/multidut/pfcwd/test_multidut_pfcwd_basic_with_snappi.py (known failure on T2, fail as expected)

SKIPPED [4] snappi_tests/multidut/pfcwd/test_multidut_pfcwd_basic_with_snappi.py:190: Reboot type fast is not supported on cisco-8000 switches
FAILED snappi_tests/multidut/pfcwd/test_multidut_pfcwd_basic_with_snappi.py::test_pfcwd_basic_multi_lossless_prio_restart_service[multidut_port_info0-True-swss]
===== 1 failed, 23 passed, 16 skipped, 27 warnings in 27779.49s (7:42:59) ======

snappi_tests/multidut/pfcwd/test_multidut_pfcwd_a2a_with_snappi.py

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
- generated xml file: /var/src/sonic-mgmt_vmsvc5-t2-8800-ixia_669de75fbbfea63e8b73b319/tests/logs/snappi_tests/multidut/pfcwd/test_multidut_pfcwd_a2a_with_snappi.xml -
================== 4 passed, 7 warnings in 1157.40s (0:19:17) ==================

snappi_tests/multidut/pfcwd/test_multidut_pfcwd_runtime_traffic_with_snappi.py

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
- generated xml file: /var/src/sonic-mgmt_vmsvc5-t2-8800-ixia_669de75fbbfea63e8b73b319/tests/logs/snappi_tests/multidut/pfcwd/test_multidut_pfcwd_runtime_traffic_with_snappi.xml -
================== 2 passed, 6 warnings in 1162.35s (0:19:22) ==================

[mssonicbld]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[sdszhang]

@auspham can you update the description to include the PRs which are cherry-picked in this change.

@developfast @amitpawar12 @selldinesh @kamalsahu0001 @rraghav-cisco @vmittal-msft for review, this is the T0/T1 merge for pfcwd test cases.

[auspham]

@sdszhang updated the prs in description

[sdszhang]

LGTM

[yejianquan]

@arlakshm for awareness

[mssonicbld]

Cherry-pick PR to msft-202405: Azure/sonic-mgmt.msft#29

[mssonicbld]

Cherry-pick PR to 202411: #16707