6a859d33aa
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