update tests and deps

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

broker/broker_test.go

@@ -0,0 +1,19 @@
+package broker
+
+import (
+	"testing"
+
+	jsoncodec "github.com/unistack-org/micro-codec-json/v3"
+	"github.com/unistack-org/micro/v3/broker"
+)
+
+func TestBrokerMessage(t *testing.T) {
+	c := jsoncodec.NewCodec()
+
+	buf := []byte(`{"Header":{"Content-Type":"application\/json","Micro-Topic":"notify"},"Body":{"Class":{}}}`)
+	msg := &broker.Message{}
+
+	if err := c.Unmarshal(buf, msg); err != nil {
+		t.Fatal(err)
+	}
+}