CBD-672: fix broken flags in unit tests

The same issue - f75b10e3a11e41b28568dde028a4284efdab084d

Change-Id: I8cf9546a6e5f2efd5fcb598355aaf6b4937ef9df
Reviewed-on: http://review.couchbase.org/23950
Tested-by: Pavel Paulau <pavel.paulau@gmail.com>
Reviewed-by: Steve Yen <steve.yen@gmail.com>