tests: Remove spurious failure test

Backport of http://review.gluster.org/#/c/8031/

BUG: 1107937
Change-Id: I21646b69b99963117cdef969d44b96f5cdfe2aa2
Reviewed-on: http://review.gluster.org/8095
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>