flaky e2e: mysql test_unsigned_int.slt

[yuhao-su]

Buildkite URL

https://buildkite.com/risingwavelabs/pull-request/builds/92257#019c8e25-ed2b-47f3-9747-88bd8b298abc

Description and Insights

e2e_test/source_inline/cdc/mysql/test_unsigned_int.slt       .. [FAILED] after 28313 ms
--
 
failed to run `e2e_test/source_inline/cdc/mysql/test_unsigned_int.slt`
 
Caused by:
query result mismatch:
[SQL] select count(*) as row_cnt from rw_unsigned_int_upcast;
[Diff] (-expected\|+actual)
-   53
+   50
at e2e_test/source_inline/cdc/mysql/test_unsigned_int.slt:144