test: add more tests (#1856)

zrpc/resolver/internal/kubebuilder.go

@@ -24,7 +24,7 @@ const (
 type kubeBuilder struct{}
 
 func (b *kubeBuilder) Build(target resolver.Target, cc resolver.ClientConn,
-	opts resolver.BuildOptions) (resolver.Resolver, error) {
+	_ resolver.BuildOptions) (resolver.Resolver, error) {
 	svc, err := kube.ParseTarget(target)
 	if err != nil {
 		return nil, err

zrpc/resolver/register_test.go

@@ -0,0 +1,13 @@
+package resolver
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRegister(t *testing.T) {
+	assert.NotPanics(t, func() {
+		Register()
+	})
+}