server: add tests for empty query hang #22740
Merged
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What problem does this PR solve?
Issue Number: related to #22738
Problem Summary:
This adds a test to master for the bug fixed in #22738
Master is not affected, but it seems possible that someone could accidentally remove this code not realizing what it does in future.
What is changed and how it works?
What's Changed:
new tests only.
Related changes
Check List
Tests
Side effects
Release note