Improve the integration testing for the XA mode.

[flypiggyyoyoyo]

What this PR does:

Which issue(s) this PR fixes:
Fixes #852

The related PR of seata-go

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[Code-Fight]

Is it only “insert”? Can we add others, such as “update”?

[flypiggyyoyoyo]

Is it only “insert”? Can we add others, such as “update”?

Done.