You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: docker_api_exec_test.go
    path of file: ./repos/moby/integration-cli
    
    the code of the file until where you have to start completion: package main

import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"os"
	"strings"
	"testing"
	"time"

	"github.com/docker/docker/api/types"
	"github.com/docker/docker/client"
	"github.com/docker/docker/integratio
    
func (s *DockerAPISuite) TestExecAPIStart(c *testing.T) {
	testRequires(c, DaemonIsLinux) // Uses pause/unpause but bits may be salvageable to Windows to Windows CI
	cli.DockerCmd(c, "run", "-d", "--name", "test", "busybox", "top")

	id := createExec(c, "test")
	startExec(c, id, http.StatusOK)

	var execJSON struct{ PID int }
	inspectExec(testutil.GetContext(c), c, id, &execJSON)
	assert.Assert(c, execJSON.PID > 1)

	id = createExec(c, "test")
	cli.DockerCmd(c, "stop", "test")

	startExec(c, id, http.StatusNotFound)

	cli.DockerCmd(c, "start", "test")
	startExec(c, id, http.StatusNotFound)

	// make sure exec is created before pausing
	id = createExec(c, "test")
	cli.DockerCmd(c, "pause", "test")
	startExec(c, id, http.StatusConflict)
	cli.DockerCmd(c, "unpause", "test")
	startExec(c, id, http.StatusOK)
}