tests: Resolve Coverity DEADCODE
tests: Resolve Coverity DEADCODE

Coverity complains that the various checks for autoincrement and changed
variables are DEADCODE - seems to me to be a false positive - so mark it.

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

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