GEODE-5292: Flushing to disk in test before introducing spy in test #2140
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This test was modifying the concurrent region map to introduce a spy,
but there was a concurrent thread overflowing entries to disk at the
same time. An interaction between the spy and the async flush caused the
ref count to go to 0, and the test to fail before it even got to the
point of clearing the region.
Flushing the disk before introducing the spy.
@balesh2 @FSOUTHERLAND