fix: add test8

[Mini256]

What problem does this PR solve?

Issue Number: Closes #1

Problem Summary:

What is changed and how it works?

Proposal: xxx

What's Changed:

How it Works:

Check List

Tests

• [ ] Unit test
• [ ] Integration test
• [ ] Manual test (add detailed scripts or steps below)
• [ ] No code

Side effects

• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [ ] Breaking backward compatibility

Documentation

• [ ] Affects user behaviors
• [ ] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features
• [ ] Changes MySQL compatibility

Release note

Please add a release note, or a 'None' if it is not needed.

[mini-bot]

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[mini-bot]

/merge

[mini-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 90c7286ab2bb91f0d332c56c2ec347612a48b1fa