Add vendor folder to git

vendor/github.com/grpc-ecosystem/grpc-gateway/examples/main_test.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"testing"
+	"time"
+
+	server "github.com/grpc-ecosystem/grpc-gateway/examples/server"
+)
+
+func runServers() <-chan error {
+	ch := make(chan error, 2)
+	go func() {
+		if err := server.Run(); err != nil {
+			ch <- fmt.Errorf("cannot run grpc service: %v", err)
+		}
+	}()
+	go func() {
+		if err := Run(":8080"); err != nil {
+			ch <- fmt.Errorf("cannot run gateway service: %v", err)
+		}
+	}()
+	return ch
+}
+
+func TestMain(m *testing.M) {
+	flag.Parse()
+	errCh := runServers()
+
+	ch := make(chan int, 1)
+	go func() {
+		time.Sleep(100 * time.Millisecond)
+		ch <- m.Run()
+	}()
+
+	select {
+	case err := <-errCh:
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	case status := <-ch:
+		os.Exit(status)
+	}
+}