Fixed #14250 - FileBasedCacheTests.test_cull test failure
Fixed #14250 - FileBasedCacheTests.test_cull test failure

This patch makes the cull behaviour (which files deleted and how many
deleted) deterministic.



git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@13705 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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