[FLINK-18247][table-planner-blink] Fix unstable test: TableITCase.testCollectWithClose #12595
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What is the purpose of the change
The reason is after calling CloseableIterator#close to cancel job in TableITCase.testCollectWithClose method, the job status may be CANCELED, CANCELING or even the MiniCluster maybe already been shut down. An exception will be thrown when MiniCluster is down. This pr aims to fix the unstable case.
Brief change log
Verifying this change
This change is already covered by existing tests.
Does this pull request potentially affect one of the following parts:
@Public(Evolving)
: (yes / no)Documentation