fix(test): fix cassandra sink error

[xxhZs]

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What's changed and what's your intention?

It seems that it was because Cassandra was not ready and added a timeout before it was resolved

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[hzxa21]

Can you explain why downgrading Cassandra can fix the error? Does it mean that we only support a specific version of Cassandra?

[xxhZs]

Can you explain why downgrading Cassandra can fix the error? Does it mean that we only support a specific version of Cassandra?

Currently testing CI, i will provide additional reasons after testing. However, this issue is not related to our compatibility with Cass, but rather to the script we wrote for CI

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