[Test case] Fix test_authorization does not wait long enough before running 'show aaa'

[lerry-lee]

Description of PR

Fix test_authorization does not wait long enough before running show aaa.
Signed-off-by: Chun'ang Li chunangli@microsoft.com

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?

Fix test_authorization does not wait long enough before running show aaa.

How did you do it?

Use wait_until to run show aaa, remove time.sleep before checking it.

How did you verify/test it?

Run TC and TC passed.

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 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/tacacs/test_authorization.py:3:1: F401 'time' imported but unused

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