Use TLS for tests if needed

Signed-off-by: Christopher Crone <christopher.crone@docker.com>
Upstream-commit: 0bdba0e91a072ee2cdecb4e632c13f187eb88e9c
Component: engine

components/engine/integration-cli/docker_cli_kill_test.go

@@ -1,11 +1,9 @@
 package main
 
 import (
-	"net/http"
 	"strings"
 	"time"
 
-	"github.com/docker/docker/client"
 	"github.com/docker/docker/integration-cli/checker"
 	"github.com/docker/docker/integration-cli/cli"
 	"github.com/go-check/check"
@@ -131,8 +129,7 @@ func (s *DockerSuite) TestKillStoppedContainerAPIPre120(c *check.C) {
 	testRequires(c, DaemonIsLinux) // Windows only supports 1.25 or later
 	runSleepingContainer(c, "--name", "docker-kill-test-api", "-d")
 	dockerCmd(c, "stop", "docker-kill-test-api")
-	var httpClient *http.Client
-	cli, err := client.NewClient(daemonHost(), "v1.19", httpClient, nil)
+	cli, err := NewEnvClientWithVersion("v1.19")
 	c.Assert(err, check.IsNil)
 	defer cli.Close()
 	err = cli.ContainerKill(context.Background(), "docker-kill-test-api", "SIGKILL")