Fix testQosSaiDscpQueueMapping

[vivekverma-arista]

Description of PR

Summary:
Fixes #277

Type of change

• Bug fix
• Testbed and Framework(new/improvement)
• Test case(new/improvement)

Back port request

• 202012
• 202205
• 202305
• 202311
• 202405

Approach

What is the motivation for this PR?

Regression introduced by #14232 14232

06:34:12 __init__._fixture_generator_decorator    L0088 ERROR  | 
KeyError(8)
Traceback (most recent call last):
  File "/data/tests/common/plugins/log_section_start/__init__.py", line 84, in _fixture_generator_decorator
    res = next(it)
  File "/data/tests/qos/qos_sai_base.py", line 2455, in tc_to_dscp_count
    for dscp, tc in dscp_to_tc_map.items():
KeyError: 8

How did you do it?

Get rid of assumption of 8TCs from the code.

How did you verify/test it?

Ran the test on Arista 7260X3 platform.

Any platform specific information?

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

Documentation

[mssonicbld]

The pre-commit check detected issues in the files touched by this pull request.
The pre-commit check is a mandatory check, please fix detected issues.

Detailed pre-commit check results:
trim trailing whitespace.................................................Passed
fix end of files.........................................................Passed
check yaml...........................................(no files to check)Skipped
check for added large files..............................................Passed
check python ast.........................................................Passed
flake8...................................................................Failed
- hook id: flake8
- exit code: 1

tests/qos/qos_sai_base.py:2534:52: E231 missing whitespace after ','

flake8...............................................(no files to check)Skipped
check conditional mark sort..........................(no files to check)Skipped

To run the pre-commit checks locally, you can follow below steps:

1. Ensure that default python is python3. In sonic-mgmt docker container, default python is python2. You can run
   the check by activating the python3 virtual environment in sonic-mgmt docker container or outside of sonic-mgmt
   docker container.
2. Ensure that the pre-commit package is installed:

sudo pip install pre-commit

3. Go to repository root folder
4. Install the pre-commit hooks:

pre-commit install

5. Use pre-commit to check staged file:

pre-commit

6. Alternatively, you can check committed files using:

pre-commit run --from-ref <commit_id> --to-ref <commit_id>

[StormLiangMS]

/azp run Azure.sonic-mgmt

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[StormLiangMS]

@developfast @yanmo96 could you help to review?

[mssonicbld]

The pre-commit check detected issues in the files touched by this pull request.
The pre-commit check is a mandatory check, please fix detected issues.

Detailed pre-commit check results:
trim trailing whitespace.................................................Passed
fix end of files.........................................................Passed
check yaml...........................................(no files to check)Skipped
check for added large files..............................................Passed
check python ast.........................................................Passed
flake8...................................................................Failed
- hook id: flake8
- exit code: 1

tests/qos/qos_sai_base.py:2534:52: E231 missing whitespace after ','

flake8...............................................(no files to check)Skipped
check conditional mark sort..........................(no files to check)Skipped

To run the pre-commit checks locally, you can follow below steps:

1. Ensure that default python is python3. In sonic-mgmt docker container, default python is python2. You can run
   the check by activating the python3 virtual environment in sonic-mgmt docker container or outside of sonic-mgmt
   docker container.
2. Ensure that the pre-commit package is installed:

sudo pip install pre-commit

3. Go to repository root folder
4. Install the pre-commit hooks:

pre-commit install

5. Use pre-commit to check staged file:

pre-commit

6. Alternatively, you can check committed files using:

pre-commit run --from-ref <commit_id> --to-ref <commit_id>

[lolyu]

Please check the PR checker failure

[lolyu]

Hi @vivekverma-arista, could you pls fix the PR checker failure?

[bingwang-ms]

@vivekverma-arista I remember teamd has been disabled before the test. Why we still have lacp frames?

[mssonicbld]

Cherry-pick PR to 202405: #15725

[mssonicbld]

@vivekverma-arista PR conflicts with 202311 branch