package main

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestName(t *testing.T) {
	recorder := httptest.NewRecorder()

	c, _ := gin.CreateTestContext(recorder)

	changeResponseCode(c)

	fmt.Println(recorder.Code)
}

func changeResponseCode(ctx *gin.Context) {
	ctx.Status(http.StatusNoContent)
}

Should print 204

Prints 200