c8d: fix TestRemoveContainerAfterLiveRestore

There is no need to pass the storage driver to the daemon the test
starts

Signed-off-by: Djordje Lukic <djordje.lukic@docker.com>

integration-cli/docker_cli_daemon_test.go

@@ -2539,15 +2539,15 @@ func (s *DockerDaemonSuite) TestExecWithUserAfterLiveRestore(c *testing.T) {
 }
 
 func (s *DockerDaemonSuite) TestRemoveContainerAfterLiveRestore(c *testing.T) {
-	testRequires(c, DaemonIsLinux, overlayFSSupported, testEnv.IsLocalDaemon)
-	s.d.StartWithBusybox(testutil.GetContext(c), c, "--live-restore", "--storage-driver", "overlay2")
+	testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon)
+	s.d.StartWithBusybox(testutil.GetContext(c), c, "--live-restore")
 	out, err := s.d.Cmd("run", "-d", "--name=top", "busybox", "top")
 	assert.NilError(c, err, "Output: %s", out)
 
 	s.d.WaitRun("top")
 
 	// restart daemon.
-	s.d.Restart(c, "--live-restore", "--storage-driver", "overlay2")
+	s.d.Restart(c, "--live-restore")
 
 	out, err = s.d.Cmd("stop", "top")
 	assert.NilError(c, err, "Output: %s", out)

integration-cli/requirements_unix_test.go

@@ -3,9 +3,7 @@
 package main
 
 import (
-	"bytes"
 	"os"
-	"os/exec"
 	"strings"
 
 	"github.com/docker/docker/pkg/sysinfo"
@@ -73,12 +71,3 @@ func unprivilegedUsernsClone() bool {
 	content, err := os.ReadFile("/proc/sys/kernel/unprivileged_userns_clone")
 	return err != nil || !strings.Contains(string(content), "0")
 }
-
-func overlayFSSupported() bool {
-	cmd := exec.Command(dockerBinary, "run", "--rm", "busybox", "/bin/sh", "-c", "cat /proc/filesystems")
-	out, err := cmd.CombinedOutput()
-	if err != nil {
-		return false
-	}
-	return bytes.Contains(out, []byte("overlay\n"))
-}