Steve Loughran 429d5db3d9
HADOOP-16785. followup to abfs close() fix.
Adds one extra test to the ABFS close logic, to explicitly
verify that the close sequence of FilterOutputStream is
not going to fail.

This is just a due-diligence patch, but it helps ensure
that no regressions creep in in future.

Contributed by Steve Loughran.

Change-Id: Ifd33a8c322d32513411405b15f50a1aebcfa6e48
2020-01-20 16:26:33 +00:00
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