ci: reopen kafka basic tests

[tabVersion]

Signed-off-by: tabVersion tabvision@bupt.icu

What's changed and what's your intention?

PLEASE DO NOT LEAVE THIS EMPTY !!!

Please explain IN DETAIL what the changes are in this PR and why they are needed:

as title, use select * from s twice:

1. trigger connector reader to fetch from kafka
2. query from materialized source

• Summarize your change (mandatory)
• How does this PR work? Need a brief introduction for the changed logic (optional)
• Describe clearly one logical change and avoid lazy messages (optional)
• Describe any limitations of the current code (optional)
  • the test may last for 30s (on my local machine)
  • sleep 1s may not long enough for all reader to fetch data and it may cause unexpected failure

Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests

Refer to a related PR or issue link (optional)

[neverchanje]

lgtm

[codecov]

Codecov Report

Merging #2207 (d9f3644) into main (61c645e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #2207   +/-   ##
=======================================
  Coverage   70.92%   70.92%           
=======================================
  Files         650      650           
  Lines       82725    82725           
=======================================
  Hits        58671    58671           
  Misses      24054    24054           

Flag	Coverage Δ
rust	70.92% <ø> (ø)

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