applied changes to filter package

net/ip_test.go

routingtable/adjRIBIn/adj_rib_in_test.go

routingtable/adjRIBOutAddPath/BUILD.bazel

routingtable/filter/actions/as_path_prepend_action_test.go

routingtable/filter/actions/set_local_pref_action_test.go

routingtable/filter/actions/set_nexthop_action_test.go

routingtable/filter/filter_test.go

routingtable/filter/helper_test.go

routingtable/filter/route_filter_test.go

routingtable/filter/term_condition_test.go

routingtable/filter/term_test.go

routingtable/trie_test.go