everflow test case fix

[StormLiangMS]

Description of PR

Summary:
This PR #6225 introduced one issue for T0/T1. The pytest will be crashed when running everflow test.

The reason is because the implementation of one fixture, setup_recycle_port, which include the yield but not run into the yield for non t2 case, which will hit one known issue of pytest, which is fixed in newer version of pytest but not in what we are using now.
pytest-dev/pytest#7061

Fixes # (issue)

Type of change

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

Back port request

• 201911
• 202012
• 202205

Approach

What is the motivation for this PR?

This PR #6225 introduced one issue for T0/T1. The pytest will be crashed when running everflow test.

The reason is because the implementation of one fixture, setup_recycle_port, which include the yield but not run into the yield for non t2 case, which will hit one known issue of pytest, which is fixed in newer version of pytest but not in what we are using now.
pytest-dev/pytest#7061

How did you do it?

Change the condition to make sure the yield would be executed

How did you verify/test it?

Run everflow test.

Any platform specific information?

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

Documentation

[azure-pipelines]

The pre-commit check detected issues in the files touched by this pull request.
The detected issues may be old or new. For new issues, please try to fix them.

For old issues, it is not mandatory to fix them because they were not caused by this change. It is unfair to blame
author of this pull request. But if you can take extra effort to fix the old issues as well, that would be great!

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/everflow/conftest.py:13:121: E501 line too long (121 > 120 characters)
tests/everflow/conftest.py:21:121: E501 line too long (121 > 120 characters)
tests/everflow/conftest.py:22:101: E128 continuation line under-indented for visual indent
tests/everflow/conftest.py:23:101: E128 continuation line under-indented for visual indent
tests/everflow/conftest.py:23:121: E501 line too long (121 > 120 characters)

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