func newGreeterServerService() *greeterServerService {
	return &greeterServerService{}
}
newGreeterServerService is the constructor of greeterServerService
package grpc_test
import (
	"github.com/golang/mock/gomock"
	"github.com/stretchr/testify/assert"
	"golang.org/x/net/context"
	"google.golang.org/grpc/examples/helloworld/helloworld"
	"google.golang.org/grpc/health/grpc_health_v1"
	"hidevops.io/hiboot/pkg/app"
	"hidevops.io/hiboot/pkg/app/web"
	"hidevops.io/hiboot/pkg/factory"
	"hidevops.io/hiboot/pkg/starter/grpc"
	"hidevops.io/hiboot/pkg/starter/grpc/mockgrpc"
	"testing"
)
type greeterServerService struct{}