Added a test to ensure that filters are cleared upon unsuppression.
Added a test to ensure that filters are cleared upon unsuppression.

Review: https://reviews.apache.org/r/71265

abudnik/mesos,Gilbert88/mesos,kaysoky/mesos,Gilbert88/mesos,dforsyth/mesos,abudnik/mesos,reneploetz/mesos,Gilbert88/mesos,reneploetz/mesos,Gilbert88/mesos,abudnik/mesos,abudnik/mesos,abudnik/mesos,reneploetz/mesos,abudnik/mesos,Gilbert88/mesos,dforsyth/mesos,kaysoky/mesos,kaysoky/mesos,reneploetz/mesos,kaysoky/mesos,dforsyth/mesos,abudnik/mesos,reneploetz/mesos,dforsyth/mesos,kaysoky/mesos,dforsyth/mesos,reneploetz/mesos,dforsyth/mesos,kaysoky/mesos,Gilbert88/mesos,reneploetz/mesos,kaysoky/mesos,dforsyth/mesos,Gilbert88/mesos