package test

import (
	"context"
	"fmt"
	"testing"
)

func TestContest(t *testing.T) {
	ctx := context.Background()
	ctx = context.WithValue(ctx, "traceId", "qcrao-2019")
	ctx = context.WithValue(ctx, "traceId2", "qcrao-2020")
	fmt.Println(ctx.Value("traceId"))
	fmt.Println(ctx.Value("traceId2"))
}