half broken

internal/engine/harness_test.go

@@ -241,6 +241,7 @@ type hopt struct {
 	blockCfg func(*config.Block)
 	server   func(*config.Server)
 	cacheCfg func(*config.Cache)
+	dnsCfg   func(*config.DNS)
 	// rules are compiled into the blocklist set the engine holds.
 	rules []blocklist.Rule
 	// localZone is a master file; empty means no local zone at all.
@@ -302,6 +303,9 @@ func newHarness(t *testing.T, o hopt) *harness {
 	if o.cacheCfg != nil {
 		o.cacheCfg(&cfg.Cache)
 	}
+	if o.dnsCfg != nil {
+		o.dnsCfg(&cfg.DNS)
+	}
 
 	// The default pool is the fake upstream; a dead address is what the
 	// upstream-failure test needs, and noPool needs no pool at all.