speed up DockerSuite.TestRunApparmorProcDirectory

Signed-off-by: Shijiang Wei <mountkin@gmail.com>

integration-cli/docker_cli_run_unix_test.go

@@ -911,12 +911,12 @@ func (s *DockerSuite) TestRunApparmorProcDirectory(c *check.C) {
 	testRequires(c, SameHostDaemon, Apparmor)
 
 	// running w seccomp unconfined tests the apparmor profile
-	runCmd := exec.Command(dockerBinary, "run", "--security-opt", "seccomp:unconfined", "debian:jessie", "chmod", "777", "/proc/1/cgroup")
+	runCmd := exec.Command(dockerBinary, "run", "--security-opt", "seccomp:unconfined", "busybox", "chmod", "777", "/proc/1/cgroup")
 	if out, _, err := runCommandWithOutput(runCmd); err == nil || !(strings.Contains(out, "Permission denied") || strings.Contains(out, "Operation not permitted")) {
 		c.Fatalf("expected chmod 777 /proc/1/cgroup to fail, got %s: %v", out, err)
 	}
 
-	runCmd = exec.Command(dockerBinary, "run", "--security-opt", "seccomp:unconfined", "debian:jessie", "chmod", "777", "/proc/1/attr/current")
+	runCmd = exec.Command(dockerBinary, "run", "--security-opt", "seccomp:unconfined", "busybox", "chmod", "777", "/proc/1/attr/current")
 	if out, _, err := runCommandWithOutput(runCmd); err == nil || !(strings.Contains(out, "Permission denied") || strings.Contains(out, "Operation not permitted")) {
 		c.Fatalf("expected chmod 777 /proc/1/attr/current to fail, got %s: %v", out, err)
 	}