filter out unwanted fields from test resuts

Updated local test consul to 1.9, it added a few fields I need to filter
in our tests. Really need to switch to an include filter (vs. current
exclude filter).

dependency/consul_common_test.go

@@ -17,6 +17,7 @@ func filter(data map[string]string, remove []string) map[string]string {
 func filterVersionMeta(meta map[string]string) map[string]string {
 	filteredMeta := []string{"raft_version", "serf_protocol_current",
 		"serf_protocol_min", "serf_protocol_max", "version",
+		"non_voter", "read_replica",
 	}
 	return filter(meta, filteredMeta)
 }