(PDB-1855) Remove non-unchanged resources in terminus spec test
(PDB-1855) Remove non-unchanged resources in terminus spec test

This commit ensures that non-unchanged resources are removed from the
unchanged resources terminus test to ensure that there is only one
unchanged resource in our resources list such that we don't get bogged
down by ordering issues which can be different on different versions of
ruby.

rbrw/puppetdb,puppetlabs/puppetdb,kbarber/puppetdb,mullr/puppetdb,puppetlabs/puppetdb,kbarber/puppetdb,mullr/puppetdb,rbrw/puppetdb,mullr/puppetdb,senior/puppetdb,grimradical/puppetdb,waynr/puppetdb,kbrezina/puppetdb,mullr/puppetdb,wkalt/puppetdb,wkalt/puppetdb,puppetlabs/puppetdb,waynr/puppetdb,kbarber/puppetdb,grimradical/puppetdb,mullr/puppetdb,kbrezina/puppetdb,grimradical/puppetdb,rbrw/puppetdb,senior/puppetdb,rbrw/puppetdb,kbarber/puppetdb,waynr/puppetdb,puppetlabs/puppetdb,wkalt/puppetdb,wkalt/puppetdb,senior/puppetdb,senior/puppetdb,grimradical/puppetdb,puppetlabs/puppetdb,rbrw/puppetdb,waynr/puppetdb,kbrezina/puppetdb,kbrezina/puppetdb