Tests: Explicitly set eager-lock on

Change-Id: I834fd5adab6e328ed106e413fc06e4280d1d24b2
BUG: 888174
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4497
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>